Hethereau's Keeper
Solid Justice Executioner 
Attributesat Lv.80
ATK 512 ATK% 27.5%
Arc Effect5★
Justice Executioner
Increases ATK by 25%. Increases damage dealt to Bosses by 25%. Unlocks Arc: Officer Whisker. Arc: Officer Whisker — Summons Officer Whisker to assist in combat. Officer Whisker continuously attacks enemies, dealing 200% of the wearer's ATK as damage per hit. Lasts 30s. Cooldown: 60s.
Star Effect values
★★★★★ 15% / 15% / 100%
★★★★★ 17.5% / 17.5% / 125%
★★★★★ 20% / 20% / 150%
★★★★★ 22.5% / 22.5% / 175%
★★★★★ 25% / 25% / 200%
“Once again, another day has passed peacefully. Hats off to Officer Whisker!”
Ascensionin-game system · “Fork”
The full per-phase ascension path that takes Hethereau's Keeper all the way to Lv.80. Every material card links to the items database so you can line up the farming.
Ascension materialsper phase · Lv.20 → Lv.80
Total to Lv.80all phases combined · Gold ×420,000
Source: In-game data
Can be used by Solid Arc
Solid-type Espers that can equip Hethereau's Keeper (none list it as their signature Arc):
Source: In-game data