Doppelganger
Medium monstrosity, neutral
Armor Class 14 (natural armor)
Hit Points 52 (8d8 + 16)
Speed 30 ft., swim 15 ft., climb 15 ft.
str
11 (+0)
dex
18 (+4)
con
14 (+2)
int
11 (+0)
wis
12 (+1)
cha
14 (+2)
Skills Deception +6, Insight +3
Senses darkvision 60 ft., passive Perception 11
Languages Common plus three other languages
Challenge 3 (700 XP)
Actions
Multiattack. The doppelganger makes two Slam attacks and uses Unsettling Visage if available.
Read Thoughts. The doppelganger casts Detect Thoughts, requiring no spell components and using Charisma as the spellcasting ability (spell save DC 12). - **At Will:** Detect Thoughts
Slam. Melee Attack Roll: +6 (with Advantage during the first round of each combat), reach 5 ft. 11 (2d6 + 4) Bludgeoning damage.
Unsettling Visage. Wisdom Saving Throw: DC 12, each creature in a 15-foot Emanation originating from the doppelganger that can see the doppelganger. Failure: The target has the Frightened condition and repeats the save at the end of each of its turns, ending the effect on itself on a success. After 1 minute, it succeeds automatically.