- Poison/Venom Affinity
- Venom Empowerment
Users become stronger, faster, more durable, etc. when they come in contact with poison, possibly unlocking abilities related to the affinity and enhancing the existing powers. Some users may be able draw sustenance from the poison or even slow or stop aging.
- Decelerated Aging/Semi-Immortality
- Enhanced Condition or Supernatural Condition
- Poison Immunity
- Self-Power Augmentation
- May eventually erode the user's health.
- May be limited to certain kinds of poison.
- Akame (Akame ga Kill); anime only
- Roy, the Toxic Boy (The Melancholy Death of Oyster Boy and Other Stories)
- Pokémon with the ability "Poison Heal" (Pokémon)
- Cobra (Fairy Tail); by consuming poison
- Lucia Konohana (Rewrite)
- Hexxus (Ferngully: the Last Rainforest)