Occult Silvertongue

Small or Medium Humanoid (Sorcerer), Lawful Evil

STR
13 (+1)
DEX
16 (+3)
CON
16 (+3)
INT
15 (+2)
WIS
17 (+3)
CHA
20 (+5)
Alien Mind.

If a creature tries to read the silvertongue's thoughts or deals psychic damage to the silvertongue, that creature must succeed on a DC 16 Intelligence saving throw or be stunned until the start of its next turn.

Magic Resistance.

The silvertongue has advantage on saving throws against spells and other magical effects.

Spellcasting.

The silvertongue casts one of the following spells, requiring no material components and using Charisma as the spellcasting ability (spell save DC 16):

1/day: dimension door

2/day each: charm person, mage armor, sending

Actions

Crimson Bolt.

Melee or Ranged Spell Attack: +8 to hit, reach 5 ft. or range 60 ft., one creature. Hit: 27 (4d10 + 5) psychic damage.

Bonus Actions

Elemental Servitor (1/Day).

The silvertongue magically summons an earth elemental, which appears in an unoccupied space the silvertongue can see within 60 feet of itself. The earth elemental takes its turn immediately after the silvertongue on the same initiative count and obeys the silvertongue's commands. The earth elemental disappears after 1 minute or when it or the silvertongue dies.

Find this creature in the encounter builder

Occult Silvertongue

Source: Critical Role: Call of the Netherdeep, p. 205 - Licenses and attribution