Sources
CR
Type
Size
Alignment
Movement

Yuan-ti Infiltrator

Medium Monstrosity, Neutral Evil

Armor Class 11
Hit Points 40 (9d8)
Speed 30 ft.
STR
11
+0
DEX
12
+1
CON
11
+0
INT
13
+1
WIS
14
+2
CHA
12
+1
Skills Deception +5, Perception +4, Stealth +3
Damage Immunities poison
Condition Immunities Poisoned
Senses Darkvision 60 ft., passive Perception 14
Languages Abyssal, Common, Draconic
Challenge 1 (200 XP)

Traits

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

Spellcasting

Spellcasting. The yuan-ti casts one of the following spells, requiring no Material components and using Wisdom as the spellcasting ability (spell save DC 12):

At will: Animal Friendship (snakes only)

2/day: Suggestion

Actions

Multiattack. The yuan-ti makes two Scimitar attacks.

Scimitar. Melee Attack Roll: +3, reach 5 ft. Hit:4 (1d6 + 1) Slashing damage.

Poison Ray. Ranged Attack Roll: +4, range 120 ft. Hit:9 (2d6 + 2) Poison damage.

Lore

Power-Hungry Serpentine Conspirators