Wizard and master of [[Hans Christian Andersen (fate)|Caster]] in [[Fate/EXTRA CCC]].[spoiler] She leads a virtual Buddhist cult whose beliefs involve around rising to a higher plane of existence via sexual activity. She's the true antagonist and final boss of the game. [/spoiler]

Another version of her is the therapist of a branch of Chaldea in [[Fate/Grand Order]]'s chapter [i]Abyssal Cyber Paradise, SE.RA.PH[/i]. [spoiler] She's later taken over by the [[demon_pillar_(fate) |Demon God Zepar]], taking on the personality of her CCC self, and ultimately transforms into a Beast-class Servant.[/spoiler] Her playable version is under the Alter Ego designation.

An [[sessyoin_kiara_(swimsuit_mooncancer)|alternate Moon Cancer-class Servant]] and her [[sessyoin_kiara_(lily)|aged down]] version were introduced in FGO's Summer 2020 event.

[b]Character Design:[/b] [[Wada Arco]]
[b]Voice Actress:[/b] [[Tanaka Rie]]

h4.Costumes

* !asset #20080747: [[sessyoin kiara (beast iii/r)|Beast III/R]]
* !asset #20080763: [[sessyoin kiara (festival outfit)|Heroic Spirit Festival Outfit]]

h4. See also

* [[List of Fate series characters]]
* [[Kissyoin Kiara]]
殺生院キアラ 随喜自在第三外法快楽天 ヘブンズホール 杀生院 杀生院祈荒 殺生院キアラ(アルターエゴ) 殺生院祈荒 キアラ・キッショウイン 快楽天・胎蔵曼荼羅 ヘブンズホール/須弥霊掌快楽天魔性菩薩