The Scourge Mistress' Bane
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The Scourge Mistress' Bane is a passive feature that can apply 
Bane but will hurt the wielder if they are too healthy.
Description
Chance to inflict upon the target a 1d4 penalty to 
Attack rolls and 
Saving throws. If the attacker still has 50% or more hit points, they take 1d6
Piercing themselves.
A Baned creature receives a 1d4 penalty to Attack Rolls and Saving Throws.
Condition: Bane
How to learn
Granted by the weapons:
Bugs
- While the item description says 'chance,' the chance to inflict
Bane on hit is 100%.