Thurstwell Vanthampur

Medium Humanoid (Human), Lawful Evil

STR
7 (-2)
DEX
8 (-1)
CON
6 (-2)
INT
15 (+2)
WIS
17 (+3)
CHA
12 (+1)
Dark Devotion.

Thurstwell has advantage on saving throws against being charmed or frightened.

Spellcasting.

Thurstwell is a 2nd-level spellcaster. His spellcasting ability is Wisdom (spell save DC 13). He has the following cleric spells prepared:

Cantrips (at will): guidance, sacred flame (see "Actions" below), thaumaturgy

Level 1 (3 slots): command, detect evil and good, sanctuary

Actions

Sacred Flame (Cantrip).

Flame-like radiance descends on one creature Thurstwell can see within 60 feet of him. The target must succeed on a DC 13 Dexterity saving throw or take 4 (1d8) radiant damage, gaining no benefit from cover.

Find this creature in the encounter builder

Thurstwell Vanthampur

Source: Baldur's Gate: Descent Into Avernus, p. 34 - Licenses and attribution