This is from the discord: You need to see Ayane or Diana for healing or go to the temple of the divine and pay 5k gems.
Keep in mind weakened and drained are weaker versions of this and have more ways to heal them.
From the discord:
Tier 1 ("Weakened"): Mutation item negative effects (replaced direct stat decreases from the base game) Tier 2 ("Drained"): Random shit in sex and other scenes, mostly losses, Item: SensDraft. Tier 3 ("Damaged"): Attacks of highest-level monsters - Living Failure, Wendigo.
Ways to heal.
Tier 1: Cure spell, Ayane, Diana, Luna, MutagenBonus buff, Alchemy (goblin elixirs & ManUp beer, Knowledge (for intelligence - spell books & Scholar Tea), Temple of The Divine (1250 gems) Tier 2: Cure spell, Ayane, Diana, Luna, Alchemy/Knowledge, ToTD (2500 gems) Tier 3: Ayane, Diana, ToTD (5k gems)