Concept Improvement A+

Overcharges one ally's NP by 2 stage for 1 turn.
Increases their critical star generation rate for 1 turn.

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Lvl12345678910
Star Rate + 10% 12% 14% 16% 18% 20% 22% 24% 26% 30%
CD 8 8 8 8 8 7 7 7 7 6
Servants with Skill