What it does
- Deals 2 damage every 1s for 3m 30s, 420 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 3m 30s.
- Removed by Poison Immunity,
Cureall Tea and 
Status Restore Potion. - Dying removes it.