Slippery. Enemies have disadvantage on grappling attacks against Admotus

Bite. Melee Weapon Attack: +5 to hit, reach 10 ft., one target. Hit: (1d6 + 4) piercing damage, and the target must make a DC 12 Constitution saving throw, taking (3d6) poison damage on a failed save and is poisoned for one minute, or half as much damage on a successful save.

Constriction. Melee Weapon Attack: +5 to hit, reach 6ft.,  Hit: Target (Large or smaller) must make a DC 12 Dexterity saving throw, taking (1d4+2) bludgeoning damage and is pinned until it makes a DC 13 Strength saving roll. Each round the target fails the Strength saving roll they take (1d4  + 2*amount of turns constricted) bludgeoning damage. Add another d4 for each size category smaller than medium. Allies to the target can attack Admotus to free their friend but must make a DC 11 Dexterity check to avoid hitting their friend. Admotus takes half damage on a failed check and its target takes the other half, frees the target. 

Spray Venom. Ranged Weapon Attack: +5 to hit, reach 25ft., Hit: Target takes (2d6) poison damage and must make a DC 12 Constitution saving throw to prevent becoming poisoned for 1 minute.