Keen Smell: Advantage on perception checks based on scent Undead Fortitude: If damage reduces the zombie to 0 Hit Points, it must make a Constitution saving throw with a DC of 5+the damage taken, unless the damage is radiant or from a critical hit. On a success, the zombie drops to 1 hit point instead.
Claw: Range 5ft, +5 to hit, 2d4+3 slashing