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Lengthens Poison duration on foes by 33% (Stacking)

— in-game description

Poisonous is a weapon upgrade that lengthens the duration of the Poison condition that you inflict upon your foes and yourself by 33%. This affects Poison inflicted by any skill, not just from attack skills, as long as the weapon is equipped when the Poison is inflicted.

Upgrade components which provide this bonus[edit]


Anomaly Anomaly.Despite the in-game description, this upgrade will also increase the duration of any self-inflicted Poison (i.e. from Chilblains).
Bug Bug.The Poisonous bow string increases the bleeding duration. See example