Profane Scourge is a weapon action granted by 
The Undead Bane.
Description
Strike with subjugating fury, adding your proficiency bonus to the damage roll. If you hit a Fiend or Undead creature, deal an additional 2d6
Slashing damage and possibly 
it. Undead and Constructs can't 
.
Properties
- Damage
- Normal weapon damage
- + Proficiency bonusSlashing damage
- +
2d6 (2~12) Slashing damage - Details
Attack roll
Range: Normal weapon range
Recharge: Short rest
Condition: Bane
Duration: 3 turns 
How to learn
Granted by the weapons:
