Smoke Secretion is the ability to generate smoke used to suffocate targets or can be toxic in nature. This power can be channeled through the mouth or the hands.
- Furies use this power to suffocate mortals to death, though when it is used on a witch with unexpressed anger, it will gradually turns them into a Fury themselves.
- Smoker Demons also possess this ability, secreting a toxic smoke that poisons their victims.
- The demon Kodzoman is described as possessing the ability to blow mystical smoke that can gather negative emotions.
- Aidel first used this ability when he was captured by Valen. He was able to temporarily distract the demon, though he was knocked out soon after.