Hendrickson

"Be more joyful, Fairy King. I gave you a great and rare opportunity! You can now meet your friend three times and kill him three times!! This isn't something that everyone can experience, you know?"

- Hendrickson showing his endless capacity for cruelty in Imminent Threat

is a former Great Holy Knight of the Liones Kingdom alongside his lifelong friend, Dreyfus. He is responsible for the creation of the Reactor-class Holy Knights that threatened the peace of the kingdom.

Appearance
Hendrickson wears a set of full-body armor which is covered by a robe. He has short white light-colored hair and a goatee. During his younger years as a Holy Knight, he had a more well-combed hairstyle and did not possess a goatee.

Personality
Hendrickson is a serious man, who, like Dreyfus, appears to be willing to capture the king and enslave the citizens to prepare for the Holy War. However, Hendrickson is less honorable than Dreyfus and is willing to lie and manipulate enemies and allies alike. He believes that without a war his order has no true purpose, so he's willing to revive the Demon clan in order to provoke the Holy War and give the Holy Knights an enemy to fight.

Hendrickson appears to be a calm person, as he stays cool when he senses Diane's powers and calmly told Helbram to retreat. Hendrickson believes that people were a lot stronger and had more spirit during war time, Hendrickson has no qualms about killing people who get in the way of his plans, even if said person is a king or his lifelong friend. In his younger years, Hendrickson was loyal to his King and humble to the people of Liones before the coup ten years later. He tends to have a playful side as he scolded his friend Dreyfus for taking a nap in broad daylight. Dreyfus states that after he persuaded Hendrickson to help him murder Zaratras, his personality completely changed. In the past he was very kind and gentle, and somewhat shy (especially in contacts with women).

History
As a child, he was ordered to look after dead bodies until they become skeletons in order for the dead to stay dead. He hated his job and he was scared. He always wanted to leave that job. Ironically his wish was granted in the form of his acid power. He became known as a coward and a cursed child so he was ran out of the village.

In his early life, Hendrickson is one of the Druids, the sorcerers of the forest who lived deep in the forest and reveres Goddesses and nature and shuns demons. At some point of time, Hendrickson joined the Holy Knights of Liones and first met Meliodas whom he sensed a massive malevolent power within the Dragon's Sin of Wrath, earning his interest, fear and admiration.

Ten years ago, Hendrickson found his friend Dreyfus sleeping outside in broad daylight and childishly chided him. As they walk around the capital, they discussed of their king's Vision about the prophesied Holy War and debates the Holy Knights' reason to exist in a world of peace. At the bar, Hendrickson noted Meliodas' modesty when the Seven Deadly Sins' captain claimed that Zaratras is invincible after their training with the Great Holy Knight.

One day, he and Dreyfus investigated the remains of the kingdom of Danafor. Inside the hole, Hendrickson told his friend about his past at the village of Druids much to Dreyfus amusement. Dreyfus told him that he wanted to be a person that protects people and a figure for his son. Hendrickson got happy but he then sensed the demon Fraudrin who asked Dreyfus for his body so they can revolt against Zaratras. Dreyfus refused the offer so Fraudrin attempted to steal his body. Due to Dreyfus' unshakable will, the attempt failed. Then Fraudrin steals Hendrickson's body and blackmailed Dreyfus into giving him his body. Dreyfus allowed Fraudrin to steal his body in exchange of the demon leaving Hendrickson's body. Fraudrin stole Dreyfus' body as son as the offer was given. Fraudrin conspired with Hendrickson to murder Zaratras when they got back to Britannia. Hendrickson poisoned Zaratras and Fraudrin gave the finishing blow. The murder was pinned on the Seven Deadly Sins and they were chase out. Hendrickson's personality became darker after those events.

Sometime later, Hendrickson and his men traveled towards the Fairy King's Forest and discovered the corpse of the Red Demon. They soon realized the powers of the Demon's blood, using it to strengthen Holy Knights and granting them new abilities. Hendrickson later encounters Helbram's dead body at a black market which he bought and used Enslavement of the Dead, his people's forbidden technique to revive him and used him as a slave to serve him as a Holy Knight of Liones and his right hand man. A few years ago, he found the Gray Demon's corpse and studied it. Hendrickson started experimenting on Holy Knights, creating Reactors known as the Old Generation which are recognized as failures due to their instability.

Byzel Fight Festival arc
Hendrickson stands next to fellow Great Holy Knight, Dreyfus, as he gives a speech to the Holy Knights to prepare for the Holy War and that the two Great Holy Knights will lead the kingdom to victory. As Hendrickson tells Dreyfus that the speech was very gaudy, the latter replies that he does not know whether the return of the Seven Deadly Sins and the prophecy of the Holy War is a coincidence, high troop morale must be maintained. Hendrickson is present when a knight informs Dreyfus about an invasion by an army of the Northern Barbarians. Later, after summoning Twigo and Jericho under the claim to give them a new chance and powers, he orders his subordinates, Guila and Helbram to bring the two apprentices to the place where the demon's corpse is chained and kept.

After showing them the corpse, he explains to them about demons existing and not being only objects of folklore, and handing the two the demon's blood to drink, informs them about its power-enhancing qualities, referencing Guila as an example. After both hesitate, and then drink it, he is seen smirking, and then commenting that one of the two is compatible to the blood when Twigo, being incompatible, explodes and Jericho survives. Before Veronica and Griamore left for Byzel, Hendrickson handed the former the "Goddess Amber", convincing her that Elizabeth was brainwashed, and stating for her to use it on Meliodas.

During Meliodas and Helbram battle, the Holy Knights who were giving Helbram powers, told Helbram that he was being overpowered to which Hendrickson decided to give Helbram bit of his powers to which he used to defeat Meliodas with a single blow. As Helbram was about to take Meliodas, Diane appears and attacks Helbram in a rage. Hendrickson sensed Diane's powers and told Helbram to retreat to which Helbram did not understand but the Link was soon cut off when Helbram was crushed by Diane's powers.

Kingdom Infiltration arc
Helbram return alive to give him the Broken Sword and report of the death of Dale which Hendrickson was pleased and reveal that Dale was a part of the Old Generation of Holy Knight who were like the New Generation but has greater powers and were uncontrollable. Hendrickson told Helbram that Guila redeems her father failures of controlling his powers. Hendrickson put the Broken Sword onto a magic like circle which he reveal that it will open a gate to the Demon Realm. Hendrickson mention how King Liones bought peace to Liones with his powers which Hendrickson that he dislike that idea since it rob people of their survival instincts and knights of their pride and spirit. Hendrickson then reveal that he wanted to return Britannia back to it is former glory and that their Holy Knight and New Generation will be there to fight against them. The gate to the Demon Clan was now opening but was too small for the whole Demon to get out. Helbram point out that they are still missing some pieces, Hendrickson point out that their will have to obtain all they need and have no choice to use a secret thing. Dreyfus ask Hendrickson to what his goal to which the latter reveal that he wanted to advent the Holy War to Dreyfus shock. Hendrickson told Dreyfus that the prophecy was the Holy Knights as the Guiding Hand of Light while the Seven Deadly Sins were the Bloodline of Darkness, but Hendrickson thought differently that they were not enough.

Hendrickson admit that the Seven Deadly Sins are powerful, but were no where near the level the four races (Goddess, Giant, Fairy, and Human) in the ancient war. Dreyfus was at shock to hear Hendrickson plan and Hendrickson told him it was time to get the last fragment. Dreyfus grew anger at Hendrickson and told him if he truly believe they could take down the Demon Clan to which the latter reveal they could with the help of the New Generation. Dreyfus try to reason with Hendrickson and told them as Holy Knights, they have to bring justice to which Hendrickson that Dreyfus has no honor as he ask him to join in the plot to kill his brother, Zaratras for the position of Great Holy Knight which made Dreyfus silent. Hendrickson ask Dreyfus that he need his power as well and that he should join him and that if he oppose him, he will end up like his son, Griamore which made Dreyfus furious at Hendrickson and told him he will be the one dead. As Dreyfus was about to draw his sword, a knight appear to them and told them that three great powers are coming toward Liones in high speed. As the Great Holy Knights were about to face the Deadly Sins, they sense another great power coming from the south and were inform that it was Arthur Pendragon and a unnamed cloak figure appeared at the south gate with Camelot army.

Hendrickson decided to face Arthur while Dreyfus deal with Deadly Sins. Hendrickson walk toward south gate, wondering why Arthur would come since Camelot is a new, rising power in the past few years which meant they army cannot be compared to Liones. Hendrickson even mention that he sensed thousands of Holy Knights, though Liones only has a few. Hendrickson met up with Arthur who he greeted and ask why he brought an army. Arthur told his cloak figure to dispel the illusion of the army where he used to get their attention and wanted an audience with King Liones for his debt toward him. Hendrickson lied and said that the king was sick and cannot see anyone, but Arthur said that his friend could cure the king, but Hendrickson refused, saying they already have some mages working on it, and told Arthur to leave. However, Arthur refused to leave and offered his help if there is a problem.

Hendrickson reluctantly accepted Arthur's offer and escorted the king of Camelot and his cloaked friend to the castle. While on the way there, Hendrickson questioned Arthur if he knew of the problem they are facing only for the young king to reveal that he made it up, making the Great Holy Knight grew suspicious of him. Asking Arthur once more, this time of what he is after, only for the latter refuse to reveal it, Hendrickson and his two other Holy Knights surrounded the duo and told them that they killed every foreign messengers who visited Liones, even if he was the king. Then suddenly, an unnamed female Holy Knight appeared out of nowhere and informed Hendrickson that she successfully obtained the "piece" and dumped her in an underground dungeon but somehow managed to escape. Hendrickson then ordered the Holy Knight to recapture her at all costs, which she complied and teleported away. When Arthur asked if the female Holy Knight was a Liones mage, Hendrickson immediately attacked Arthur with one slash, telling him that he would not live to find out. After sending the king of Camelot flying to a building, Hendrickson discovered that he received a cut on his head, realizing that Arthur's reputation was not for show as the latter blocked Hendrickson's attack with his sword. Being asked by two Holy Knights for assistance, Hendrickson calmly tells the two that the cloaked person floating is behind them.

As Dreyfus was under Gowther's Nightmare Teller, a younger version of Hendrickson appear before him, playfully scolding him for taking a nap in broad daylight. As they walk around the kingdom, Hendrickson discuss about their king's Vision and what he saw, including the Holy Knights' role in the kingdom. He later appears again with Meliodas complimenting Zaratras' power and the latter claimed that the captain of the Seven Deadly Sins is being modest. He soon disappeared after Dreyfus faced his nightmare of his brother's murder. Arthur and Hendrickson battle reach to the center of Liones as people leave in fear of the two. Arthur told Hendrickson to finish their fight, while Hendrickson wonder at the young man's strengths and powers, and wonder how much does Arthur knows about the king's imprisonment, Demon Clan, or kidnapping the princess. But Arthur went toward Hendrickson and start attacking him with multiplied sword slashes while Hendrickson parried all of them. Arthur told Hendrickson to stop holding back, while the latter ask Arthur to do the same, and show him the power that made Arthur the new king of Camelot. Hendrickson sent Arthur crashing to a wall of a building and summon Hellblaze to kill Arthur, while Arthur was fair and wonder about Hellblaze ability. Irritated of Arthur's jokes, Hendrickson used Hellblaze Scream to kill him but it was reflected back to himself by Meliodas who appeared on the battle between them as Arthur was alarmed by Meliodas' sudden appearance.

As Meliodas stepped forward and faced Hendrickson, he asked him about the location of Elizabeth, but Hendrickson refused to tell him. Meliodas immediately tried to kick him in the face, but Hendrickson was able to block. Meliodas followed with quick slash attacks, but his opponent was able to dodge them with ease. Hendrickson then tried an attack, which Meliodas blocked, but was send back. During the battle, Hendrickson contacted the female Holy Knight to ask if she had relocated the princess. She questioned him if her moving to different place was necessary, but Hendrickson told her since their enemies are the sins, the dungeon is not enough. The Holy Knight understood that Hendrickson was in a fight and suggested him to use something particular, but he told her it is not the right time. She also told him that she will send her cute little knight. Moments later, Gilthunder came down from a thunder cloud attacking Meliodas. Hendrickson and Gilthunder decided to work together to battle against Meliodas and Arthur.

As Meliodas and Arthur were prepare for their battle against Gilthunder and Hendrickson, Hendrickson notice that the battle from the other side was over and believed that Dreyfus had won the battle, while Meliodas believed that none of his members would lose so easily either. Hendrickson points out that Meliodas came rushing in to the enemy stronghold with a few member of his team and without any plan. Hendrickson point out that the Deadly Sins were nothing, but a former shadow of themselves and that saving Elizabeth is futile. Meliodas however, rush in with great speed and attack both Hendrickson and Gilthunder at the same time and said that even if he give up on his life, he will protect Elizabeth. When Arthur commented of Meliodas' and Gilthunder's fast speed and not yet being serious in their battle, Hendrickson, while appearing behind the king of Camelot with great speed, retorted that it is the same thing between them in their previous battle before battling each other again. While still clashing swords with Arthur, Hendrickson smugly smiled after witnessing Gilthunder used Iron Hammer of the Thunder Emperor on Meliodas, although it was intercepted by the Dragon's Sin of Wrath's fingers in Black Mark mode.

Taking advantage of Arthur's lack of attention, Hendrickson elbows the Camelot's king away and retorts to Arthur's question of Meliodas' demon powers as he stated that the latter is going to die anyway. He used Hellblaze once again on Arthur, believing that this time that his opponent will burn to ashes, unlike when Meliodas intervened. But Arthur's cloaked friend appeared and saved him in the nick of time, as Hendrickson noted that the latter must be very powerful and feared that they could pose a real threat if those two paired up. When Arthur refused his cloaked partner's help and claimed that he can handle this, Hendrickson smugly grinned calling the former an idiot. Later on, Meliodas started to overpower Gilthunder, while the latter try to fight back with all his strength, but with no luck. Meliodas try to slice Gilthunder, but Hendrickson appear and struck Meliodas which the latter dodge in time, Meliodas was surprised to see Hendrickson and saw Arthur was defeated. Gilthunder and Hendrickson decided to team up to defeat Meliodas as he was their greatest threat. The Unnamed Holy Knight appear and help the duo to battle against Meliodas.

As the trio started to overpower Meliodas and knock him next to a building, Vivian amused that Meliodas is mortally wounded as he had not used Full Counter or his Demon powers, but Gilthunder sense that Meliodas power is increasing instead of decreasing. Hendrickson said that they have miscalculated and knew where the eerie premonition came from. Hendrickson found out that the reason for Meliodas not fighting back is because Meliodas is heightening his utmost power and senses to unleash a one decisive attack. he Holy Knights used all of their power together to finish off Meliodas before he could unleash his attack. Hendrickson summon Hellblaze, Gilthunder used Sword of the Thunder Emperor, and Vivian use Quad-Element Destroyer as Meliodas summon his attack, Divine Slayer. However, Margaret came running toward the battlefield to stop Gilthunder from hurting his hero, Meliodas. However, Meliodas spot something close to Margaret and use his Divine Slayer to kill an invisible creature like demon that was next to her. As Meliodas grin of destroying the creature, Vivian attacks Meliodas, heavily injuring him. Hendrickson rush to Meliodas to finish him off, Gilthunder appeared and cut off Hendrickson arm. Gilthunder, with a tear in his eye, smile and thanks Meliodas for setting him free from the spell as Meliodas smile.

As Gilthunder cuts off Hendrickson arm, the latter yells out in anger for the betrayal. However, Gilthunder points out that he was never on his side to begin with. When Hendrickson attempts to use Hellblaze with his left arm, Gilthunder quickly stops him and sends him flying away. He proceeds to request Meliodas to leave the fighting to him, explaining that he had waited to take revenge against his father's murderer for a long time. He finally delivers the finishing blow by stabbing Hendrickson and unleashing his maximum output of electricity. As Vivian toss her helmet in defeat and start crying, as she lost control over Gilthunder until Hendrickson appear as he reattach his arm and appear with a new younger image of himself with a dark eye. Hendrickson told Vivian she can have him back and the party isn't over yet. Hendrickson then drawn full attention to the Holy Knights and the Seven Deadly Sins by destroying the castle, killing or sending most of the occupants flying. When Muramo, a New Generation Holy Knight, attempts to fight Hendrickson despite his partner's pleas, the Great Holy Knight already triggered Blood Awaken to mutate all New Generation Holy Knights into Demons starting with Muramo and let them wreck chaos and havoc within the kingdom.

Hendrickson came face to face with the Deadly Sins and the Holy Knights, explaining that he did all of this and was after Elizabeth. Hendrickson offers to spare Meliodas and the others if Elizabeth come with him, as he doesn't want to kill "one of his kind", but the group refuse to hand over Elizabeth to him, and King ambush him until he was attacked by Helbram who was revive thanks to Hendrickson forbidden technique. Hendrickson explain to King how he found Helbram and that now he is just a lifeless shell of his former self which brought the Fairy King to tears, knowing that his friend is a slave to Hendrickson. Meliodas and Gilthunder were furious at Hendrickson cruel nature and attacked him, until they realize that Vivian took Margaret and Elizabeth hostage. Hendrickson then stab both Meliodas and Gilthunder with Acid in front the three girls shock as Vivian thought that she was going to be with Gilthunder forever, never leaving her. However, Hendrickson explain that Gilthunder will never leave her as a corpse to her shock. Elizabeth decided to go along with Hendrickson to save Meliodas life to everyone shock. Hendrickson accepted her offer and was only planning to spare Meliodas, but he will spare Gilthunder as a bonus. Hendrickson was about to take Elizabeth until Ban appeared with a weapon along with Hawk.

At Merlin's old ruined castle, Hendrickson escorted the princess until Elizabeth grabbed a dagger and threatened to kill herself to ruin his plan. Unfazed, Hendrickson swiftly grabbed her arm only to see it covered by a protective orb, revealing to be Griamore, who was reported to be killed back at Byzel. Seeing his old friend's son, Hendrickson was pleased that Dreyfus will be happy but Griamore declares that he'll stop his sinister plan. Immediately Hendrickson attacked Griamore from behind but was blocked by his opponent's Wall and asked if he's going to fight him alone. But Dreyfus appeared before him, declaring that his son is not alone and he will stop him not only as the Holy Knight of the kingdom but as a friend. Hendrickson prepares himself as father and son charged in battle against him.

As the battle raged with more destruction of Merlin's castle, Hendrickson continued to parry, dodge, and attack most of Dreyfus' and Griamore's attacks. Jumping in the air, Hendrickson used "Acid Down" to disintegrate them, seemingly killing Dreyfus much to Griamore's horror as he put up a Wall barrier around himself for defense with the Great Holy Knight smirking of his apparent victory. Suddenly Hendrickson received a huge piercing blow in his chest and was pushed back. Getting up, he saw Dreyfus completely unharmed due to his Break power. Praising his old friend's tenacity while healing himself, Hendrickson told Dreyfus that it would be a shame not to be on his side. After Dreyfus commented of Hendrickson's power not from normal existence and have fallen too far, the Great Holy Knight retorts that humans are like worms crawling on the ground. As he was about to use Enchantment: Hellblaze, a Wall orb surrounded Hendrickson much to his frustration as he tried to slash his way out to no avail. Witnessing his old friend preparing the most powerful technique of Break: Starstream Breaker Blade knowing the mechanics of his power, he asks Dreyfus if he's really going to kill him and the latter replied that it is the only way he will have to atone for his sins and restore order to the kingdom and asked for his friend forgiveness. With Dreyfus unleashing his powerful attack, Hendrickson braces for impact of the technique. However, his life was saved unintentionally when Dreyfus suddenly slipped due to the floor giving out and misfired at Elizabeth, injuring her much to the present combatants' shock.

Horrified, Dreyfus and Griamore went to tend to the princess wound as was bleeding too much. Hendrickson, however, easily break out of Wall while saying that the Heavens seem to be on his side as he elbow punch Griamore in the face which sent the latter flying out of the window which enrage Dreyfus and attacked Hendrickson who the latter easily break Dreyfus sword as he said it was the end for him. Hendrickson continued to taunt Dreyfus as good luck seem to be on his side until Dreyfus strike a powerful punch to Hendrickson face while telling Hendrickson to admit defeat so he wouldn't kill him. However, Hendrickson used Acid Down on Dreyfus while saying that Dreyfus was once a friend, mentor and rival to him, but was truly regrettable, but agree to give Dreyfus a painless death which Griamore watch in horror as his father died. Hawk and Meliodas later arrive to Merlin Old Castle where Meliodas spot the bleeding Elizabeth while Hendrickson knew that Acid wouldn't work on Meliodas because of their "detestable power". Hendrickson went on to say that he was a Druid, who are sorcerers in a deep forest. Druid are also known to reveres Goddesses and nature, and shuns the abominable Demons. Hendrickson explain that when he first met Meliodas, he felt malevolent, massive powers coming within Meliodas which was greater power than Zaratras himself and couldn't get a single read on his thought which made Hendrickson feared, interest and admired Meliodas.

However, Hendrickson admit that he now possessed the same power as Meliodas, until Meliodas quickly went pass him and carried Elizabeth without him noticing as he did it again to give Elizabeth to Hawk so he could take her somewhere safe. As Hawk was running away with the princess, Hendrickson was about to use Hellblaze on them, until Meliodas appeared and slice off his arm once more. As Meliodas overpower Hendrickson, the latter somehow got control of his sever arm and still use Hellblaze on the run away until Diane appeared to save them and crush his sever arm. Hendrickson was shock to see Diane well and not in near death like before, until King's Guardian appeared behind him and smash him. Hendrickson rise up to see the five member of the Deadly Sins (Meliodas, Ban, Diane, King and Gowther) appeared and challenge him to a final battle. As Hendrickson taunt the Deadly Sins for being out numbered due to the New Generation transforming into Demons, Meliodas pointed out that he should check again. Hendrickson sense that all of the New Generations were stopped as they return back to normal due to Ban and King help while the other Holy Knight are currently surrounding the ruin castle.

Hendrickson, however, was joyful to admit that the situation became more interesting and wonder how the Deadly Sins defeat the New Generation so fast, but admit that the Sins can't defeat him. As the battle went with the Deadly Sins working together to fight against Hendrickson, the latter admit that he is invisible due to the demonic power, but when Diane trap him with Double Hammer, Meliodas explain to Hendrickson that demonic powers can heal wound, but if he is not immortal or something, it would have been pointless as he wouldn't completely handle it for a while. Hendrickson than smash Ban into the wall where the latter found the demon corpse and return to Hendrickson, smashing against the wall furious for having the demon while questioning him for having it. The wall break down to reveal the demon which shock the Deadly Sins. Noticing the Sins' mixed reactions, Hendrickson explains to them how he got it and gained Demon powers from it before attacking them with swarms of dark matter which all but Ban evaded them. Hendrickson boasted of his vast powers he gained from the demon's corpse and Ban simply get close enough to him to tell the Druid that he was the one who killed the very same demon 20 years ago before smashing Hendrickson so hard deep further underground.

Recovering from the blow, Hendrickson reveals himself to the four Sins who saw him standing next to the corpse of the Gray Demon underneath Merlin's old castle. Hendrickson then explained about the Gray Demon, its powers and how he got it before taking the corpse's blood and injects on himself, which causes him to revert back to his original appearance and began to glow. As he began to transform, Hendrickson wishes that he and Dreyfus would have shared such a glorious moment together before Ban recklessly attacked the druid head-on despite Meliodas' warning to stay back. Hendrickson then retaliated, having blasted Ban away leaving his lower body intact much to the three Sins' shock to see the Great Holy Knight assume a new demonic form that resembles the Red and Gray Demons. Hendrickson than blast the Deadly Sins, including Diane, outside of Merlin's Old Castle and started to kill the Holy Knights, one by one as he was proved much stronger and dangerous than ever before. When Hendrickson defeated the Deadly Sins and Holy Knights, Hendrickson spot Meliodas protecting Elizabeth from several of his attacks and collapsed. Hendrickson summoned Dead End to finish off Meliodas and take back Elizabeth until Hawk appeared and block the way, taking the attack. When Hawk died from the attack, a large pillar of light appeared that injured Hendrickson and realize that Elizabeth unleash her true power, Hendrickson is straight away annoyed, noticing that the blood of the Druid mediums that flow through her has awakened.

When Elizabeth collapse after realizing she can't revive Hawk, Hendrickson was about to kill Gilthunder, Meliodas charge toward Hendrickson, kick him in the face and punch him in the stomach which made Hendrickson collapsed on the floor while Meliodas told everyone to not loose hope while in his Black Mark mode once more. As everyone seem to lose hope as they continued their assault on Hendrickson didn't work, Meliodas ordered Gowther to use Broadcast to everyone to explain his plan which everyone was shock, but went along with it. Meliodas end up fighting Hendrickson head on while the Holy Knights launch their attacks on Meliodas and Hendrickson displease Hendrickson remain unaffected while Meliodas is taking damage. During the battle, Hendrickson realize Meliodas can't use Full Counter because his power wasn't healed, only his physical strength

Despite Hendrickson trying to put Meliodas down, saying it is only futile to continued to fight him as Meliodas can't use Full Counter and was about to use Dark Nablua on Meliodas, but Meliodas continued to push on as the latter step inside Dark Nebula and punch Hendrickson, destroying the attack. Everyone continued to assault Meliodas with all of their powers at the same time while Elizabeth plea everyone to stop despite it was Meliodas plan to begin with. After Ban attack Meliodas, Hendrickson felt a incredible high power level coming within Meliodas which shock even Hendrickson. Gowther revealed that this was Meliodas ultimate attack as he doubles everyone power attack that he took and was about to unleash it on Hendrickson. Gowther also revealed that surviving this technique is 0.2% which shocks and scared Hendrickson into flying away, but was trapped in Wall by Griamore and Meliodas jump up toward Hendrickson while the latter ask why Meliodas is doing this for the people who framed and attack him, but Meliodas response that Hendrickson committed a sin for abandoning his friends to protect for powers and unleash Revenge Counter, killing and destroying Hendrickson body.

Current arc
However, Hendrickson survived Meliodas ' Revenge Counter although barely with his body almost completely destroyed leaving a shattered form, having at least retrieved the Coffin of Eternal Darkness away to Zhuhur Valley 150 miles east of the capital of Liones. Seemingly in his dying moments, Hendrickson cursed Meliodas for his cruel fate as he tries to command his severed limb to come to him before everything in his vision went black. Awakening in a field of flowers, Hendrickson assumes his original appearance and complains that he should be granted rest for he was so tired after hearing a voice telling to get up and finish what he started. Recognizing that voice, Hendrickson saw the spirit of Dreyfus who appeared before him and shed tears, regretting all the wrong deeds he did in life. When Dreyfus provided his friend blood, Hendrickson wonders why his old friend did that as the latter tells him to stand up once more and fulfill their deepest desires before he stood up and left, compelling the former Great Holy Knight to plead his best friend not to leave him.

Waking up in the real world, Hendrickson realizes it was a dream and notices tears, a sign of his humanity remaining but was surprised that all of his grievous wounds were all miraculously healed as his whole body was restored whole. Sniffing a scent, Hendrickson realizes the bloodied bandage came from Elizabeth and picks it up wondering why would it be here but is more than happy that all the pieces required to unseal the Demon Clan are complete as he laughed maniacally, believing that luck is on his side now. As Hendrickson begins the ritual to break the seal of the Coffin of Eternal Darkness to finally release the Demon Clan and bring chaos and hell upon Britannia, Dreyfus who also possess the Black Mark and revealed to have escaped death from their battle back at the kingdom's capital, stood behind him with an evil smirk. After breaking the seal, Hendrickson's grey demon form was removed and was back to normal, but was in deep shock to see Dreyfus before him and when he saw the nine of the Demon Clan members whose power greatly terrifies him. After they left for Edinburgh to recuperate their lost magical power after being imprisoned for too long, Hendrickson collapses in fear.

He's later seen back in Zhuhur Valley after escaping from the demons, making his pledge to free Dreyfus no matter the costs.

Abilities and Equipment
Hendrickson's power is several times stronger than an average Holy Knight, as shown when Helbram was able to easily defeat a raging Meliodas after Hendrickson provided him a mere fraction of his power using the ability Link, despite being cornered previously when he already had taken on the power of twenty Holy Knights. Hendrickson has proven himself capable of holding his own in battle against the likes of Arthur Pendragon and later Meliodas, parrying all their attacks with ease. Hendrickson possesses telepathy as shown when talking with Vivian from long distance. Despite being defeated and supposedly-killed by Gilthunder, Hendrickson appeared to be fully unharmed albeit his torn armor and right cutoff arm which he later reattached. Hendrickson possesses the Black Mark similar to Meliodas' the only difference is that only his right eye is dark colored and it somehow restored his youthful appearance after drinking the Demon blood as a result of his experiments. Hendrickson's strength seemed unparalleled compared to Meliodas' as shown destroying the entire castle in one strike, sending groups of Holy Knights flying caught in his swipe. The Black Mark can also help Hendrickson heal serious wounds and even reattach dismembered limbs almost immediately but some of them remain according to Meliodas. After injecting himself with the blood of the Gray Demon, Hendrickson loses his youthful side but gained an enormous power-boost and a dangerous light-type ability that blasts anything away to nothingness as shown when grazing Ban's upper body and assumes a hybrid form with features of the Red and Gray Demons.

Experimentation on the corpse of the red demon allowed Hendrickson to decipher parts of dark magic, giving him the Blood Awaken power over the New Generation. By chanting an ancient incantation ("Memeza nemeza...memenomaza") into a demonic skull-shaped ring, he can force the demon blood within the New Generation Holy Knights to go berserk. The New Generations are swallowed by their negative emotions, causing them to transform into grotesque monsters.

As a Druid, Hendrickson can sense demonic beings or their powers and use techniques of his own kind including forbidden ones that involve the resurrection of the dead.

Weapons
He uses a short sword with a blunt-tipped blade and a round pommel at the bottom of the hilt.

Abilities

 * A corrosive power that eats away at the enemies flesh.


 * A forbidden technique passed among the druids. It gives Hendrickson the power to resurrect the dead, but can only be used twice on the same person. The soul deteriorates with each resurrection, significantly weakening their abilities.


 * A secret druid technique that erases "abominable" souls, such a vampires and demons. It has also shown to be able to return human turned vampires back into human, albeit still killing them.


 * As Hendrickson raises his hands; numerous tiny, black spheres materialize around him. These spheres are scattered outwards and fall towards the ground like snow. Anyone that comes into contact with the spheres will be enveloped by them and instantly killed. After unsealing the Demon Clan, the process of which removed the Ash-Grey Demon features, he lost the use of this techniqe.
 * Hendrickson raises his hand and materializes the same numerous tiny, black spheres that form Dark Snow. By clenching his hand, the tiny spheres merge into a larger black sphere, causing surrounding plants to wither and die. Hendrickson points his fingers and the sphere is fired in the direction of his opponent. Upon impact, the sphere causes a large explosion. The target's body is then completely enveloped by the sphere and they are instantly killed. After unsealing the Demon Clan, the process of which removed the Ash-Grey Demon features, he lost the use of this techniqe.


 * A dark void expands outwards from Hendrickson, completely destroying anything caught within range. The force of the attack was great enough to devastate the surrounding area and incapacitate any caught within its wake. After unsealing the Demon Clan, the process of which removed the Ash-Grey Demon features, he lost the use of this technique.

Enchantments

 * A demonic enchantment that allows Hendrickson to generate black flames. Discovered after meticulous self-experimentation with the blood of the red demon.

Dreyfus
Hendrickson and Dreyfus were best friends in the past, as he playfully scolded him for sleeping in broad daylight as a result of Dreyfus' nightmares and have good times together. Until the time when Dreyfus asked Hendrickson to help him kill Zaratras, his personality has changed drastically and their friendship seemed to drift apart. Although it's implied that he still deeply cares for Dreyfus as his friend, because he started crying when Dreyfus/Fraudrin made an appearance before unsealing the demon clan, and later made vow to free Dreyfus from demons influence no matter the costs.

Kingdom Infiltration arc

 * Arthur Pendragon vs. Hendrickson: Indecisive
 * Meliodas & Arthur Pendragon vs. Hendrickson & Gilthunder: Indecisive
 * Meliodas vs. Hendrickson, Gilthunder & Viviann: Loss
 * Gilthunder vs. Hendrickson: Loss
 * Dreyfus & Griamore vs. Hendrickson: Win
 * Meliodas, Diane, Ban, King & Gowther vs. Hendrickson: Win
 * Holy Knights of Liones vs. Hendrickson: Win
 * Meliodas vs. Hendrickson: Loss

Current arc

 * Hendrickson, Gilthunder, Howzer & Griamore vs. Gray Demon: Win

Trivia

 * Hendrickson's Gray Demon form resembles a Celtic mythical figure named Cernmunnos, which ironically was once a Druid.
 * According to the databook(s):
 * His Daily Routine is research and experiments
 * His favorite food is all vegetable dishes
 * His Charm Point is his beard
 * He has a complex about his alienation
 * The person he respect the most is the Zaratras
 * A person he doesn't want to make an enemy of is Dreyfus and Meliodas.
 * In the Nanatsu no Taizai Popularity Poll, Hendrickson was 14th place (27 votes) for postcards, but 5th place (8227 votes) including online votes.

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Hendrickson