Two Heads. The zombie has advantage on Wisdom (Perception) checks and on saving throws against being blinded, charmed, deafened, frightened, stunned, and knocked unconscious.
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.
Multiattack. The zombie makes four melee attacks.
Shortsword. Melee Weapon Attack: +10 to hit(+6 to hit without Abaddon), reach 5 ft., 1 target. Hit: 7 (1d6 + 4) slashing damage.
Lair and Lair Actions
Regional Effects
The region containing Abaddon's lair is in his lower laboratory, which creates one or more of the following effects:
- The Abomination Zombie has a plus 9 to its max HP
- The Abomination Zombie has an extra +4 to hit with any attack
If the Abaddon dies, these effects fade immediately.