Lava Lash

30% increased Fire Damage with Attack Skills
Damage with Weapons Penetrates 8% Fire Resistance [1]

Lava Lash is a notable passive skill that grants increased fire damage with weapons as well as fire damage penetration.

Anointment

Blight anointment to unlock the passive:

Oil #1	Oil #2	Oil #3	Outcome
Clear Oil	Clear Oil	Golden Oil	Lava Lash	30% increased Fire Damage with Attack Skills Damage with Weapons Penetrates 8% Fire Resistance

Version	Changes
3.22.0	Added a new Fire Damage with Attack Skills cluster to the Passive Skill Tree to the south-west of the Marauder's starting location. The Lava Lash Notable Passive has been moved into this new cluster, which contains two other Notables, Settling Ash, which provides "Nearby Enemies are Covered in Ash if you haven't moved in the past 2 seconds", and Concussive Force, which provides "Hits Stun as though dealing 50% more Melee Fire Damage" and "Ignites from Stunning Melee Hits deal 20% more Damage."
3.16.0	No longer grants +8% to Fire Damage over Time Multiplier. [Undocumented This change was not documented by any official sources. It was discovered through player testing or datamining.]
3.9.0	Now grants +8% to Fire Damage over Time Multiplier.
3.8.0	Now able to anoint Lava Lash.
2.2.0	Now grants Damage with Weapons Penetrates 8% Fire Resistance.
1.3.0	The Templar, Marauder, and Duelist starting areas have been reworked significantly.