Duergar Mind Master

Medium humanoid (dwarf), lawful evil
Armor Class 14 (leather armor)
Hit Points 39 (6d8 + 12)
Speed 25 ft.
STR
11 (+0)
DEX
17 (+3)
CON
14 (+2)
INT
15 (+2)
WIS
10 (+0)
CHA
12 (+1)
Saving Throws Wis +2
Skills Perception +2, Stealth +5
Damage Resistances poison
Senses darkvision 120 ft., truesight 30 ft., passive Perception 12
Languages Dwarvish, Undercommon
Challenge 2 (450 XP)
Duergar Resilience.
Sunlight Sensitivity.
ACTIONS
Multiattack.
Mind-Poison Dagger.
Invisibility (Recharge 4–6).
Mind Mastery.
Reduce (Recharges after a Short or Long Rest).

This full creature's stat block is not available (not OGL).

Mordenkainen´s Tome of Foes
Duergar Mind Master