When She Decided to See is a 5 star The Elation Light Cone.

Game Changer

Increases the wearer’s SPD by 18%. When the wearer enters combat or uses Ultimate on an ally target, the wearer gains “Great Fortune” for 3 turn(s). While the wearer has “Great Fortune,” all allies’ CRIT Rate increases by 10%, CRIT DMG increases by 30%, and the wearer’s Energy Regeneration Rate increases by 12%.
At the start of each wave, the wearer regenerates a fixed amount of 15 Energy.