User blog:Valeth/Alter Ego of τ

Active Skills
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Trivia

 * They're the first Servants with Cost 24
 * The picture is intended as their Stage 4, illustrated by 白祈QSR
 * They're the final boss of writer's FGO fan-fiction story arc, Divergent Intersection.
 * Unlike their partners in crime, despite also only available at New Year banner and Guaranteed SSR banner, they came with 0.3% rates as opposed of 0.5% rates.