Yuan-Ti Abomination

Monstrous serpents with burly humanoid torsos and arms, abominations form the highest caste of yuan-ti society, and they most closely resemble the race as the serpent gods intended it. They mastermind elaborate schemes and perform dark rites in the hope of one day ruling the world.

Yuan-Ti Abomination CR: 7 (2,900 XP)

Large monstrosity (shapechanger, yuan-ti), neutral evil

Armor Class: 15

Hit Points: 127 (15d10 + 45)

Speed: 40 ft

STR

19 +4

DEX

16 +3

CON

17 +3

INT

17 +3

WIS

15 +2

CHA

18 +4

Skills: Perception +5, Stealth +6

Damage Immunities: Poison

Condition Immunities: Poisoned

Senses: Darkvision 60 feet, Passive Perception 15

Languages: Abyssal, Common, Draconic

Challenge Rating: 7 (2,900 XP)

Shapechanger. The yuan-ti can use its action to polymorph into a Large snake, or back into its true form. Its statistics are the same in each form. Any equipment it is wearing or carrying isn’t transformed. It doesn’t change form if it dies.
Innate Spellcasting (Abomination Form Only). The yuan-ti’s innate spellcasting ability is Charisma (spell save DC 15). The yuan-ti can innately cast the following spells, requiring no material components:

• At will: animal friendship (snakes only)
• 3/day: suggestion
• 1/day: fear

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

Actions

Multiattack (Abomination Form Only). The yuan-ti makes two ranged attacks or three melee attacks, but can use its bite and constrict attacks only once each.
Bite. Melee Weapon Attack: +7 to hit, reach 5 feet, one target. Hit: 1d6 + 4 piercing damage plus 3d6 poison damage.
Constrict. Melee Weapon Attack: +7 to hit, reach 10 feet, one target. Hit: 2d6 + 4 bludgeoning damage, and the target is grappled (escape DC 14). Until this grapple ends, the target is restrained, and the yuan-ti can’t constrict another target.
Scimitar (Abomination Form Only). Melee Weapon Attack: +7 to hit, reach 5 feet, one target. Hit: 2d6 + 4 slashing damage.
Longbow (Abomination Form Only). Ranged Weapon Attack: +6 to hit, range 150/600 feet, one target. Hit: 2d8 + 3 piercing damage plus 3d6 poison damage.

Genetic Ancestor(s)

• Yuan-Ti

Lifespan

80 to 120 years

Average Height

6 to 7 feet

Average Weight

180 to 280 pounds