Medium monstrosity, neutral evil
- Armor Class
- 14 (natural armor)
- Hit Points
- 71 (13d8 + 13)
- Speed
- 30 ft.
- Challenge
- 4 (1,100 XP)
- Saving Throws
- Cha +5, Wis +4
- Skills
- Stealth +4, Deception +5
- Damage Immunities
- poison
- Condition Immunities
- poisoned
- Senses
- darkvision 120 ft. (penetrates magical darkness), passive Perception 12
- Languages
- Abyssal, Common, Draconic
Traits
The yuan-ti can use its action to polymorph into a Medium 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. If it dies, it stays in its current form.
The yuan-ti has advantage on saving throws against spells and other magical effects.
The first time the yuan-ti hits with a melee attack on its turn, it can deal an extra 16 (3d10) psychic damage to the target.
When the yuan-ti reduces an enemy to 0 hit points, the yuan-ti gains 9 temporary hit points.
Actions
The yuan-ti makes one bite attack and one scimitar attack.
Melee Weapon Attack: +5 to hit, reach 5 ft., one target. Hit: 5 (1d4 + 3) piercing damage plus 7 (2d6) poison damage.
Melee Weapon Attack: +5 to hit, reach 5 ft., one target. Hit: 6 (1d6 + 3) slashing damage.
Bonus Actions
The yuan-ti can shed its skin as a bonus action to free itself from a grapple, shackles, or other restraints. If the yuan-ti spends 1 minute eating its shed skin, it regains hit points equal to half its hit point maximum.
Spellcasting
The yuan-ti's innate spellcasting ability is Charisma (spell save DC 13). The yuan-ti can innately cast the following spells, requiring no material components:
The yuan-ti is a 6th-level spellcaster. Its spellcasting ability is Charisma (spell save DC 13, +5 to hit with spell attacks). It regains its expended spell slots when it finishes a short or long rest. It knows the following warlock spells: