Evaporation of Reason (理性蒸発, Risei Jōhatsu?) is a Skill that denotes that one's reasoning is disappearing, making it impossible to keep any secrets.[1]

Rank User(s)
D+ Astolfo
Upgraded Rank (Fate/Grand Order)
D Astolfo
Carelessly chatters about own team's weaknesses and True Names, is forgetful of important things, etc. A kind of extreme curse. This Skill also serves as Instinct. During battle, one is able to, to some extent, feel the optimal course.[1]
Servant Skills
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