What it does
- Deals 2 damage every 0.4s for 1m, 300 in total, ignoring armour and resistances.
- Each tick is multiplied by Poison Damage Multiplier (yours).
- Cannot take hold while you have
Poison Immunity. - Cannot take hold once your humanity is 700 or more.
Where it comes from
Nothing in the game data applies this.
How it ends
- It wears off after 1m.
- Removed by Poison Immunity,
Cureall Tea and 
Status Restore Potion. - Dying removes it.