Glory of Past Days (在りし日の栄光, Arishi Hi no Eikō?) represents the memories of the four years when Caligula lived as a wise king; these memories don't soften his madness, but they actually accelerate it.[1]

Rank User(s)
B Caligula
He obtains a plus modifier to his resistance against mental interference and the like, and he raises his Strength parameter temporarily if fighting unarmed, but every time Caligula uses this Skill, he also suffers damage. The rampaging madness makes his spiritual core grate.[1]
  1. 1.0 1.1 Fate/Grand Order material II — Profile of Caligula, translated by Kinalvin at Reddit.
Servant Skills
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