Xerxes

Xerxes (ザークシーズ Zākushīzu) is a mysterious yet cunning person who often stalks Roku at the beginning. He is later revealed to be the personification of the deadly Arcane, Mad Hatter and was under the contract of Ruri Cathair. He is the Arcane of the Fool Arcana (The Death Arcana when turn into his true form) and one of the current Arcanes of Roku Rokudo.

Arcana Magic
Arcana Magic (奥義魔法 (アルカナマジック), Ōgi maho(Arukanamajikku)):