Howzer

"Hey, Gil! It doesn't matter where they came from... they're on our side, right?! Having even one more of them would be reassuring. Those apprentices that went missing probably ran away because they couldn't stand the harsh training anymore...!"

- Hauser stating his optimistic views on the "New Generation" to Gilthunder in Dark Pulse

is a Holy Knight, a colleague and partner of Gilthunder, and a subordinate of the Great Holy Knight, Dreyfus.

Appearance
Hauser wears a set of Holy Knight armor and has short light-colored curled up hair.

Personality
Hauser demonstrates a lot of self confidence and optimism, only considering the benefits of the "New Generation" of Holy Knights despite the mysteries surrounding their origin. In addition, he is quite naive and stupid, dismissing Ban and Meliodas, who had entered the Byzel fight festival under the names, "Baan" and "Meliodaz", respectively, as the the Deadly Sins, because of their obvious name changes, despite him knowing the physical traits of both. Despite his usual easy-going personality, Elizabeth has said that Hauser does not stop once he becomes serious in a fight.

Hauser is somewhat of a fight enthusiast, eager to fight in the aforementioned tournament, and to witness the Deadly Sins' battle personally. He has also shown a shy side toward women, and does not like harming them, no matter what their strength.

Byzel Fight Festival arc
Upon being ordered to stop the invasion of the army of the Northern Barbarians, Hauser and Gilthunder arrive in the battlefield on a flying dragon. Both then quickly and easily defeat the entire army, with Hauser even questioning the Great Holy Knight, Dreyfus, after returning to the castle, if their "errand" just now was the predicted so-called Holy Knight, which, his superior assures, is not. When Gilthunder states his suspicions of the kingdom's unpredicted foe in the Holy Knight are Seven Deadly Sins, Hauser responds, expressing his disbelief in the Sins' strength. Dreyfus replies that the Sins are a grave threat, and proceeds to inform the two of Meliodas having destroyed Danafor. This greatly shocks Hauser, who then also begins a conversation on the "New Generation" of Holy Knights. Though their origins are mysterious, Hauser, optimistic as usual, only considers their benefits, and soon leaves, citing busywork.

Hauser is then seen to have joined Byzel's fighting festival, when he stops Taizoo and Meliodas's skirmish. He is delighted that he is finally able to enter the tournament, and not be restricted by work. During the preliminaries, Hauser is shown to be flinging a fighter, and after they end, is seen among the eight people who have advanced. In the main tournament, his first fight is assigned to be with Taizoo. When Meliodas and Ban, who have joined the tournament under the names, "Meliodaz" and "Baan", respectively, are assigned to fight against one another, Hauser, almost discovers the two's identities, but dismisses them as Deadly Sins because of their obvious name changes, due to his naivety. Hauser observes Griamor and Matrona's first battle, speaking of Griamor's ability's power when the Holy Knight activates it. He is greatly shocked when Matrona manages to defeat Griamor despite his ability, calling the mysterious lady a monster.

Afterwards, he battles Taizoo. Though losing badly, Taizoo refuses to give up due to his ego. Hauser, who has been using very little power, since he could kill Taizoo if he uses too much strength, requests his opponent to surrender, for Taizoo's own benefit. When Taizoo refuses, Hauser, forming a twister around his hand with his ability, defeats Taizoo, adding that letting the battle continue would be damaging for the man. After the battle between Cain and King ends, Hauser finds Veronica at the place Griamor landed after being defeated and sent flying. Greeting them, he questions as to why they they have come to Byzel. He is is then informed that the child, and the man with a scar, he had suspected to be Meliodas and Ban earlier, were, in fact, the Deadly Sins themselves, much to his shock.

Greatly shocked by this information, Hauser questions the two of them whether they are planning to capture the Deadly Sins alone. Veronica states that her primary priority is to ensure Elizabeth's safety, and commands him to not make a commotion and endanger it. He immediately turns around and runs towards the fighting ring, instructing them to not ruin the festival, and merrily enjoying the fact that he will be able to personally witness Ban and Meliodas' battle. As he observes the Sins' battle, he comments upon its intensity, commenting that the two are "beyond monsters" for their great strength. Hauser continues watching the battle until its end. As his next fight with "Matrona" is declared, he expresses his enthusiasm to fight. When it is begun, Hauser turns to the side and points to Diane's chest, since her button was undone, much to the audience's disappointment, and Hauser's embarrassment.

Hauser charges towards Diane, using his ability to form a small twister around his arms, and attack with it. Diane manages to dodge, stating that such an attack can cause great damage. Hauser agrees, and tells her to stop evading and be defeated, which, he says, will feel "great". Meliodas interprets Hauser's statements differently, as double entendres, much to Hauser's anger. Hauser, then, despite not wanting to harm a woman, finally restricts Diane's movements, and goes in for a punch, but finds that he is easily stopped. He, bewildered, cites Diane's earlier comment of his ability being dangerous. Diane explains that she had said so because she does not want the clothes she has borrowed from Elizabeth to be torn. In response, Hauser states that he can finally unleash his full power. Hauser, wondering if Diane is also a Deadly Sin, due to her great strength, then uses his abilities to form a large horizontal twister, warning Diane to flee or die. Much to his shock, however, she remains unharmed, leading to his confirmation that she is a Deadly Sin.

Not giving up, Hauser manipulates the air to create a gigantic twister which covers completely the entire ring. He boasts that Diane would not be able to breathe inside the twister, and that she will be ripped to shreds if she tries to resist its centrifugal force. As he rejoices his victory, Diane uses a technique that appears to increase her body's mass, and uses the increased gravitational force to defeat Hauser from above. Hauser, collapsed, acknowledges his defeat, and states that he is honored to have been fought seriously by a Deadly Sin, not believing Diane's weak lies that she is merely a girl happening to pass by Byzel. He confirms her identity when King addresses her as "Diane", with her then apologizing again, and walking away.

During Meliodas and Cain's fight, after Cain removes his cloak, Taizoo, whom Hauser is standing near, informs the Holy Knight that Cain's attire is the traditional armor of Danafor's Holy Knights. After this battle ends, Cain walks towards the two, greeting and questioning them if they have more energy, which they confirm. Hauser then witnesses the battle between Meliodas and Diane and is in awe of their strength, noting that Diane wasn't fighting seriously in their previous battle. He begins to wonder if they are really a threat due to their whimsical nature, but immediately confirms they are after the Sins threaten to massacre the populace of Byzel. He further develops this negative image after he mistakes Geera's attacks to be the Sin's doing. Hauser is later seen, armored and with a weapon, when he stops Diane, declaring that he will be arresting her, as he believes that she Sins are plotting to overthrow the kingdom. As Diane then runs to the help of a civilian trapped under the debris of Byzel, Hauser notices Marmas walking towards him. Marmas proceeds to multiply gravity around Diane using his ability. As she throws the civilian towards Hauser, the earth collapses due to her increased weight.

Hauser then was upset at Marmas for putting an innocent person in trouble by using his power, but Marmas told them is they order to stop the Deadly Sins, even if it meant was to harm innocent people. Hauser was angry at Marmas who told him who's more of a criminal, Diane who risk her life to save a civilian or the someone who kills innocent people. Marmas was now mad at Hauser for calling name and wanted to fight him, but then Hawk's Mother came out of nowhere carrying Diane old giant clothes and toss it to the pit. Marmas was now yelling at the Hawk's Mother to leave but doesn't more, but then Diane climb out of the pit and smash Marmas with ease. Hauser then saw Diane and was in shock. As Diane climb out of the pit, Diane ask Hauser if he is surprised that Diane true size, but Hauser told her he was not and was glad she was okay.

Diane then ask Hauser to take Marmas and the old man, and ran away which surprised Hauser, Diane then ask if Hauser wil try to capture her, but Hauser told her that the Kingdom will be after them because of what happen to Byzel, but Hauser doesn't understand what to think of it. After Diane powerful attack, Hauser came out of the rubble of the ruined Byzel while carrying the injury man. Hauser then stated how powerful her attack was and then remember when she came out of the pit. Hauser smile at Diane and stated that he wish to meet her again and wonder how to report all of this and disappear into the wind.

Armor Giant arc
Hauser went back to the kingdom to report of the event at Byzel, but shock to be told that Veronica and Griamor were killed during the Byzel event by Gilthunder.Hauser ask how they doing to report all this to princess Margaret and Great Holy Knight Dreyfus, Gilthunder told Hauser that Dreyfus lock himself in his private room. Gilthunder look outside and said that things are going amiss and that Hendricksen group of Holy Knights has grown dramatically and they were all New Generation, even stating in the past that Hendricksen and Dreyfus were even in powers but the balance is being broken by Hendricksen and wonder if this was another precursor of the Holy War.

Abilities/Equipment
Hauser, like all Holy Knights, is extremely powerful, being able to easily defeat an army of more than three thousand along with Gilthunder. He also wields a spiraled lance with a small spur on the other end in conjunction with his abilities.

Abilities

 * Tempest: Hauser's ability enables him to form and manipulate the air into vortexes of rotating winds.

Gilthunder
Gilthunder and Hauser have greatly different personalities but they appear to work very efficiently as a team during battles.

Byzel Fight Festival arc

 * Gilthunder & Hauser vs. Northern Barbarians: Win
 * Hauser vs. Taizoo: Win
 * Matrona vs. Hauser: Loss

Trivia

 * Hauser is a real-life German surname.
 * Veronica point out that Hauser can't keep a secret.

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