- Doubt Affinity
- Skepticism Empowerment
Users become stronger, faster, more durable, etc. by doubt of oneself and others, possibly unlocking abilities related to the affinity and enhancing the existing powers. Some users may be able draw sustenance from the doubt or even slow or stop aging.
- Decelerated Aging/Semi-Immortality
- Emotion Metabolization
- Enhanced Condition or Supernatural Condition
- Self-Power Augmentation
- Absorbing too much doubt may cause the user to lose all confidence.
- Asmodeus (AD&D)
- River of Duat (The Mummy: Secrets of the Medjai)