Bloodlet

Bloodlet is a Quirk used by All For One, who stole it from an unknown user.

Description
Bloodlet allows the user to expel, and later absorb, their own blood from their body.

Usage
During his fight with All Might and Stain, All For One uses this Quirk in combination with Antigen Swap as a means of countering Stain's Bloodcurdle.