Yuan-ti Abomination

Large Monstrosity, Neutral Evil
MM'24

AC 15

HP 127 (15d10 + 45)

Speed 40 ft., climb 30 ft.

STR

19 (+4)

Save +4

DEX

16 (+3)

Save +3

CON

17 (+3)

Save +3

INT

17 (+3)

Save +3

WIS

18 (+4)

Save +4

CHA

15 (+2)

Save +2

Skills Perception +7, Stealth +6

Immunities Poison

Condition Immunities Poisoned

Senses Darkvision 60 ft., Passive Perception 17

Languages Abyssal, Common, Draconic

CR 7

Traits

Magic Resistance. The yuan-ti has Advantage on saving throws against spells and other magical effects.

Actions

Multiattack. The yuan-ti makes two Bite attacks, and it can use Spellcasting to cast Suggestion if available.

Bite. Melee Attack Roll: +7, reach 5 ft. Hit: 11 (2d6 + 4) Piercing damage plus 10 (3d6) Poison damage.

Constrict. str 15, one Large or smaller creature within 5 feet. Failure: 28 (7d6 + 4) Bludgeoning damage. The target has the Grappled condition (escape 14), and it has the Restrained condition until the grapple ends. Success: Half damage only.

Poison Spray (Recharge 5+). con 14, each creature in a 30-foot Cone. Failure: 21 (6d6) Poison damage, and the target has the Poisoned condition until the end of the yuan-ti's next turn. While Poisoned, the target has the Blinded condition. Success: Half damage only.

Bonus Actions

Shape-Shift. The yuan-ti shape-shifts into a Large snake or returns to its true form. If it dies, it stays in its current form. The yuan-ti's game statistics are the same in each form, except where noted. Any equipment it is wearing or carrying isn't transformed.