Apples are what maintains the Master's life in Sim Mode.
Appearances[]
ActRaiser[]
A Half Apple recovers only a small amount, but a Whole Apple completely restores health.
ActRaiser 2[]
Apples are out here; the Master recovers health by collecting HP Orbs instead.
Actraiser Renaissance[]
Half Apples recover 50 HP, Full Apples recover 100 HP, and Golden Apples (encountered only in Death Heim) restore all HP/MP.