召喚師アレイスター 法典の大賢者クロウリー 暴走召喚師アレイスター 魔導原典クロウリー
Aleister the Invoker is a duel monster from Yu-Gi-Oh! based on Aleister Crowley. Plays a huge role in the Endymion storyline, alongside Rilliona and Endymion.
Aleister was an orphan who is adopted by Rilliona and later joined the Magistus organization as one of the "four great mages", with Endymion as his master. A few years after Endymion constructed the Grand Spellbook Tower and ruled over the Magical kingdom, the adult Aleister discovered "the Book of the Law", a forbidden spellbook with the power to summon powerful entity, at the cost of one's own sanity. He is later corrupted by the book and begin the rampage on Endymion's citadel, aiming to overthrow him.
This tag implicates aleister_(yu-gi-oh!) (learn more).