The natural attack and melee skill of the source of poison will add poison to the target, deducting 1 point of real damage from the target's health every second. It can be superimposed and last for 60 seconds. The target cannot recover health during the poisoning period. Characteristics: Every time you kill a target that is 5 levels higher than your own level, the poison damage increases by one point. Every time you kill a BOSS that is not lower than your own level, the number of poison layers that can be stacked increases by one.
