Action: Ok, with the standard action he would have used last turn to break a bottle, Yezt puts his mace back and shifts the dagger to his main hand.
Next round: Yezt charges the zombie confidently, taking a vicious swipe with Morris' dagger in an attempt to sever it's head.
Attack-
(1d20+5)[21]
Confirmation, just in case-
(1d20+3)[9]
Damage-
(1d3+2)[5]
Stat block: