Armor Class 10
Hit Points 78 (12d8 + 24)
Speed 30 ft.
Skills Deception +6, Insight +5, Intimidation +6, Religion +3
Senses darkvision 120 ft. (see devil's sight below), passive Perception 13
Languages Common, Infernal
Challenge 4
Dark Devotion. Thalamra has advantage on saving throws against being charmed or frightened.
Devil's Sight. Thalamra can see normally in darkness, both magical and nonmagical, out to a distance of 120 feet.
Multiattack. Thalamra uses eldritch blast twice or makes two unarmed strikes.
Eldritch Blast (Cantrip). Ranged Spell Attack: +6 to hit, range 120 ft., one creature. Hit: 9 (1d10 + 4) force damage.
Unarmed Strike. Melee Weapon Attack: +5 to hit, reach 5 ft., one target. Hit: 4 bludgeoning damage.
Hellish Rebuke (1st-Level Spell; 2/Day). When Thalamra is damaged by a creature within 60 feet of her that she can see, the creature that damaged her is engulfed in hellish flames and must make a DC 14 Dexterity saving throw, taking 16 (3d10) fire damage on a failed save, or half as much damage on a successful one.
BGDIA, p. 38