Avatar of Incabulos

Multiattack. The giant makes two greatclub attacks.

Claws. Melee Weapon Attack: +8 to hit, reach 10 ft., one target. Hit: 18 (3d8 + 5) slashing damage.

Spit. The avatar spits foul gore in a 15 foot cone. Each creature in that area must make a DC 15 Constitution saving throw, taking 4d10 poison damage on a failed save, or half as much on a successful one.  {"diceNotation":"4d10","rollType":"damage","rollAction":"Spit","rollDamageType":"poison"}[/rollable] poison damage.

The Avatar can take 1 legendary action each turn. 

Burst. The Avatar fosters the growth of diseased tissue in a nearby corpse. One corpse  that the Avatar can see explodes in a shower of gore. Any creatures within 20 feet of the corpse must make a DC 12 Dexterity saving throw, taking 3d6 bludgeoning on a failed save, or half as much on a successful one.