Devil hearts are endgame consumables that power hybrid transformation — the iconic Chainsaw Man-style power spike for human accounts. Hearts are rare, quest-gated, and easy to waste if you have not chosen a hybrid form from the hybrid tier list. Read this before spending any heart.
Heart Sources
- Boss devils on deep Floor Zero floors
- Katana Man and other raid reward tables
- Yakuza faction quest payouts on hybrid path
- Occasional Black Market stock at premium yen
Consumption Timing
Complete surgery kit steps first — surgery kit guide. Gather Katana fragments via Katana raid guide. Only then consume hearts during transformation ritual from become hybrid guide.
Hybrid Form Selection
Katana Man, Chainsaw, and Bomb share S-tier — pick by content preference. Katana suits Katana Hybrid build; Bomb for Hotel AoE. Compare in tier compare.
Protecting Hearts in PvP
Carrying hearts through invasion zones risks loss — travel with party or during off-peak hours. Learn parry defense before crossing hot routes on map hub.