Keen Smell. The zom-bear has advantage on Wisdom (Perception) checks that rely on smell.
Undead Fortitude. If damage reduces the zom-bear to 0 hit points, it must make a Constitution saving throw.
DC of 5 + the damage taken, unless the damage is radiant or from a critical hit.
On a success, the zom-bear drops to 1 hit point instead.
Multiattack. The zom-bear makes two attacks: one with its bite and one with its claws. Bite. Melee Weapon Attack: +7 to hit, reach 5 ft., one target. Hit: 9 (1d8 + 5) piercing damage. Claws. Melee Weapon Attack: +7 to hit, reach 5 ft., one target. Hit: 12 (2d6 + 5) slashing damage.