You have refined your techniques of corrosive combat, allowing acid to eat away at your enemies with each precise strike.

When you hit a creature with a dagger attack, the attack deals an additional 1d4 acid damage.

If the attack also deals Sneak Attack damage, the target gains one Corrosion stack, up to a maximum of three stacks. A creature can gain only one Corrosion stack per turn.

At the start of the creature’s turn, it takes acid damage equal to the number of Corrosion stacks it has, then the number of Corrosion stacks is reduced by one.