Hethereau's Keeper

Increases ATK by 15/17.5/20/22.5/25%. Increases damage dealt to Bosses by 15/17.5/20/22.5/25%. Unlocks Arc: Officer Whisker. Arc: Officer Whisker — Summons Officer Whisker to assist in combat. Officer Whisker continuously attacks enemies, dealing 100/120/150/180/200% of the wearer's ATK as damage per hit. Lasts 30s. Cooldown: 60s.

Placeholders like {0} scale with refinement — check in-game values for the exact ranks.