Adder's Touch

Critical Strikes with Daggers Poison the Enemy
+25% to Damage over Time Multiplier for Poison from Critical Strikes [1]

Adder's Touch is a notable passive skill that grants additional damage over time multiplier for poisons from critical strikes. It also grants poison on hit with critical strikes with daggers.

Anointment

Blight anointment to unlock the passive:

Oil #1	Oil #2	Oil #3	Outcome
Sepia Oil	Black Oil	Opalescent Oil	Adder's Touch	Critical Strikes with Daggers Poison the Enemy +25% to Damage over Time Multiplier for Poison from Critical Strikes

Version	Changes
3.21.0	The small Passive Skill in the Adder's Touch cluster that provides Dagger Critical Strike Multiplier and Poison Duration now provides 5% increased Poison Duration (previously 10%).
3.16.0	[Undocumented This change was not documented by any official sources. It was discovered through player testing or datamining.] Now grants +25% to Damage over Time Multiplier for Poison from Critical Strikes (up from 15%) and Critical Strikes with Daggers Poison the Enemy (up from 40%). No longer grants +30% to Critical Strike Multiplier with Daggers or 20% increased Damage with Poison.
Unknown	Now grants 20% increased Damage with Poison (down from 40%).
3.0.0	Now grants +30% to Critical Strike Multiplier with Daggers (down from 60%), Critical Strikes with Daggers have a 40% chance to Poison the Enemy (up from ?%) and 40% increased Damage with Poison.
2.2.0	Now grants +60% to Critical Strike Multiplier with Daggers (up from 40%).
2.1.0	Adder's Touch now only grants a chance to poison, rather than poisoning with every hit.
1.3.0	Now grants +40% to Critical Strike Multiplier with Daggers (down from 66%).
Unknown	Introduced to the game.