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Everything you say gets on my nerves. Then I'll let you experience it for yourself. And I'll make you kneel before me. I'll show you that I, Eastin, will be your ruler.

— Eastin talking to Ban after the Sins invaded the Timespace Junction.

Eastin Amabyllis「イースティン・アマビリス」 is an original character made for Grand Cross mobile game. She is a member of the Seven Disasters, representing the Authority.


Eastin GC.png
Eastin's initial appearence

Eastin is a young woman with light skin, long turquoise hair, pink eyes and wears a crown-like tiara. She appears to pad her chest on her more revealing outfits.

After awakening new powers, Eastin's hair is now straight with side-swept bangs and her tiara is swapped to a crown-like acessories made of water crystals floating around her head.


Eastin is a very arrogant and self-centred person, usually seeing herself as superior, underestimating her opponents and putting them down when they demonstrates some weakness. She is also very impatient, as she easily get annoyed with energetic people like Roxy and Valenty. Lilia describes her as someone full of attitude.

Despite this difficult persona, Eastin has difficulties in expressing her emotions, getting embarrassed to admit that, despite all the disagreements with her teammates, she enjoys being with them and has had a lot of fun since she was summoned to Britannia.


Eastin was the heiress of the Amabyllis clan, a family of respected nobles of her original world. However, the people from her kingdom, feared of Eastin's magic, attempted to kill her by drowing her at the ocean. However, Eastin then managed to survive the murder attempt and used her powers to drown those who attempted to kill her instead, only for her to discover that her entire family was massacred during the attack. From that moment, Eastin vowed to devote herself to restore her family's former glory and have her world under her feet as revenge.

Eastin was then summoned to Britannia by Lilia with a magic crystal obtained by Valenty in Balleno. However, due to distortions on the space-time, the summoning wasn't properly completed and Eastin was teleported to the margins of a lake near to Balleno instead of Lilia and Valenty's location. There, the Ruler of Seas meets Ban, confusing him as one of her family's mine slaves. Later, after reuniting with Lilia and Valenty, the noblesse agrees on helping the mage and joins the Seven Disasters.

When Lilia gets kidnapped by Merlin, Eastin and Valenty starts their plan to rescue her leader. During their mission, Eastin managed to summon a new ally that would help to cut through the space-time prison where Lilia was trapped, the Human Weapon Mono and, with her new ally's aid, she's able to break into Lilia's prison. There, she and Mono are surprised by Ban and Gowther, who where waiting for Lilia's friends to ambush and capture them all, however, Lilia suddenly escapes and reunites with her teammates. Eastin, them, unite her powers with Lilia and, manage to defeat both Sins and escape once again.

While attempting to better control her magic under Lilia's tutoring, Eastin was designed by the mage to find some way to raise funds for Valenty to follow up with the Disasters' base construction. She then, under Roxy's direction, went to an isolated island which was the base of a pirate trupe and, together with Roxy and Camila, managed to exterminate the pirate crew and steal their treasures. Later, after a Kraken suddenly appear and attempt to drown the island where group has instaled themselves, Eastin managed to awaken a new power after recalling Lilia's magic lessons. She then is capable to defeat the monster and save both her friends and their hideout.


Seven Disasters


Despite Eastin underestimating Lilia's capacity as the leader of the group, they seems to work well together. Their relationship seemed to have improved a lot after their first meeting, as noticed when she recognized Lilia's teaching as one of the reasons she managed to awaken her true powers.


Eastin has a complicated relationship with Roxy, they often argue for banal things, mostly because of the contrast between their personalities, sometimes starting an actual fight. Camila compare as two sisters arguing with each other.


Camila and Eastin seem to have a neutral/close relationship. When arguing with Roxy, Camila stops them and acts as a motherly-figure towards the two of the disasters. Suggesting Roxy and Eastin to hold hands and hug each other. They also show to make a pretty good team, who gets their work done fairly fast.

Seven Deadly Sins


Despite secretly having a crush on him, Eastin easily get irritated with Ban due to the contrast of her formality and his rudeness and carefree attitude.

Abilities and Equipment

As a member of the Seven Disasters, Eastin is very powerful. Specialized in water magic, she attacks her enemieis with powerful water vortexes and tsunamis. She also posses a very decent level of summoning magic since she was able to successfully summon Mono without trouble. After managing to awaken her powers, Eastin is now capable to manipulate large masses of water, currently having potential to drown an entire island, and is capable to summon knight-like minions called Phalanx.


  • Quebra「ケブラール, Keburāru」: The user surrounds and attacks their enemies with multiple whirlpools.
  • La Sed「ラ・セッド, Ra Seddo」: A spell that enhance the targets' attacks.
  • Triste Fin「トリステ・フィン, Toristure Fin」: The user launches a powerful tsunami forwards its targets.
  • Pheasor Dew「フェーソー・デュー, Fēsō Deyū」: The user launches projectiles of water at their targets.
  • Berg de Dolphin「バーグ・ド・ドーファン, Bāgu do Dōfan」: A spell that can prevent healing and the recovery of an enemy. Dolphins made of water are summoned to attack the opponents.
  • Water Cannon「ウォーター・キャノン, Uōtā Kyanon」: Similar to Exterminate Ray and Free Shooter, the user blasts a powerful water ray towards their enemy.
  • Bubble Shower「バブル・シャワー, Baburu shawā」: Eastin sorrounds her allies with magic bubbles which increases their defensive skills.
  • Abyss Explosion「アビス・エクスプロージョン, Abisu ekusupurōjon」: The user attacks the target summoning a water column from the ground.
  • Phalanx Squad「ファランクス・スクワッド, Farankusu sukuwaddo」: Eastin summons a group of Phalanx to attack her opponents.
  • Queen's Amusement「クイーンズ・アミューズメント , Kuīnzu amyūzumento」: Eastin summons a gigantic Phalanx minion to attack her opponent by piercing it with its spear.


  • Eastin might be based on the fourth and second disaster of the Benevolent King Sutra's and Lotus Sutra definitions respectively, "flood", due to her water-based powers.
  • Eastin is the youngest member of the Disasters.
  • For some outfits in the game, it appears as if she pads her chest when comparing with other outfits.
  • Eastin dislikes winter because of the memories regarding the massacre of her family.
  • According to Grand Cross data:
    • She loves black coffee and focaccia.
    • She doesn't like alcoholic drinks.
    • The person she wants to destroy the most is Meliodas.


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Seven Deadly Sins
Sins: Ban  •  Diane  •  Escanor  •  Gowther  •  King  •  Meliodas  •  Merlin
Allies of the Seven Deadly Sins
Allies: Elaine  •  Elizabeth Liones  •  Hawk  •  Hawk Mama  •  Helbram  •  Jericho  •  Oslo
Kingdom of Liones
Royal Family: Bartra Liones  •  Caroline Liones  •  Denzel Liones  •  Elizabeth Liones  •  Margaret Liones  •  Nadja Liones  •  Tristan  •  Veronica Liones
Great Holy Knights: Dreyfus  •  Hendrickson  •  Howzer  •  Zaratras
Holy Knights: Dale  •  Gannon  •  Gilthunder  •  Griamore  •  Guila  •  Gustaf  •  Jericho  •  Kaide  •  Marmas  •  Vivian
Dawn Roar: Hugo  •  Jillian  •  Simon  •  Slader  •  Weinheidt
Pleiades of the Azure Sky: Arden  •  Deathpierce  •  Deldry  •  Denzel Liones  •  Dogedo  •  Invisible  •  Waillo
Weird Fangs: Friesia  •  Golgius  •  Jude  •  Ruin
Apprentice Knights: Andre  •  Hansen  •  Muramo  •  Twigo
Demon Clan
Ruler: Demon King
Ten Commandments: Aranak  •  Calmadios  •  Derieri  •  Estarossa  •  Fraudrin  •  Galand  •  Gowther  •  Grayroad  •  Melascula  •  Monspeet  •  Zeldris  •  Zeno
Six Knights of Black: Atollah  •  Bellion  •  Dahaaka  •  Derocchio  •  Galla  •  Pump
Demons: Albion  •  Baruja  •  Chandler  •  Cusack  •  Glariza  •  Original Demon  •  Peronia  •  Rajine
Lesser Demons: Blue Demons  •  Copper Demons  •  Crimson Demons  •  Gray Demons  •  Green Demons  •  Ochre Demons  •  Orange Demons  •  Red Demons  •  Silver Demons  •  White Demons
Goddess Clan
Ruler: Supreme Deity
Four Archangels: Ludociel  •  Mael  •  Sariel  •  Tarmiel
Goddesses: Elizabeth  •  Jelamet  •  Jenna  •  Nerobasta  •  Zaneri
Misc. Characters
Druids: Elizabeth Liones  •  Hendrickson  •  Lilia  •  Theo  •  Zaratras
Fairy Clan: Elaine  •  Ende  •  Gerheade  •  Gloxinia  •  Helbram  •  Invisible  •  King  •  Puora
Giant Clan: Diane  •  Drole  •  Dolores  •  Dumbelbas  •  Matrona
Vampire Clan: Ganne  •  Gelda  •  Izraf  •  Mod  •  Orlondi  •  Ren
Kingdom of Camelot: Arthur Pendragon  •  Cath  •  Kay
Kingdom of Danafor: Cain Barzad  •  Liz  •  Wandle
Kingdom of Edinburgh: Doni
Assassin Knights of Malachia: Estaro  •  Jigumo  •  Torah
Ordan Children: Eric  •  Katts  •  Mera  •  Pelliot  •  Tanto  •  Thomas
Winged People: Ellatt  •  Solaad  •  Vaness  •  Zoria
Seven Disasters: Camila  •  Eastin Amabyllis  •  Lilia  •  Mono  •  Roxy  •  Shin  •  Valenty
Others: Aldrich  •  Alioni  •  Anna  •  Annie  •  Arbus  •  Carfen  •  Chaos  •  Dana  •  Daymond  •  Della  •  Edda  •  Elizabeth  •  Ellen  •  Haifan  •  Ibaya  •  Kilia  •  Lady of the Lake  •  Luigi  •  Mead  •  Merlin's Father  •  Nanashi  •  Northern Barbarian Chief  •  Raizer  •  Renee  •  Rosa  •  Rou  •  Selion  •  Sennett  •  Sol  •  Solaseed  •  Taizoo  •  Wild  •  Zalpa  •  Zeal  •  Zhivago
Known Creatures: Aggressive Chimeras  •  Anaon  •  Beastmen  •  Bellmoth  •  Black Hounds  •  Chicken-Matango  •  Chimera  •  Clay Dragons  •  Cliff Howlers  •  Dusk Bisons  •  Earth Crawlers  •  Fierce Dragons  •  Goat Demons  •  Great Kraken  •  Hide-and-Seek  •  Indura  •  Mutilator Rabbits  •  Screamers  •  Sky Manta  •  Sword Wolves  •  Trackens  •  Trolls  •  Tyrant Dragon