Sources
CR
Type
Size
Alignment
Movement

Grottenelle Stonecutter

Small Humanoid (gnome), Chaotic Evil

Armor Class 12, 15 with mage armor
Hit Points 40 (9d8)
Speed 20 ft.
STR
9
-1
DEX
14
+2
CON
11
+0
INT
17
+3
WIS
12
+1
CHA
11
+0
Saving Throws INT +6, WIS +4
Skills Arcana +6, History +6
Senses passive Perception 11
Languages any four languages, Gnomish, Terran, Undercommon
Challenge 6 (2,300 XP)

Traits

Gnome Cunning. <$title_short_name$> has advantage on all Intelligence, Wisdom, and Charisma saving throws against magic.

Stone Camouflage. <$title_short_name$> has advantage on Dexterity (Stealth) checks to hide in rocky terrain.

Spellcasting

Spellcasting. Grottenelle is a 9th-level spellcaster. Its spellcasting ability is Intelligence (spell save DC 14, +6 to hit with spell attacks). The mage has the following wizard spells prepared:

Cantrips (at will): fire bolt, light, mage hand, prestidigitation

1st level (4 slots): detect magic, mage armor, magic missile, shield

2nd level (3 slots): misty step, suggestion

3rd level (3 slots): counterspell, fireball, fly

4th level (3 slots): greater invisibility, ice storm

5th level (1 slot): cone of cold

Innate Spellcasting. <$title_short_name$>'s innate spellcasting ability is Intelligence (spell save DC <$spell_dc__int$>). <$title_short_name$> can innately cast the following spells, requiring no material components:

At will: nondetection (self only)

1/day each: blindness/deafness, blur, disguise self

Actions

Dagger. Melee or Ranged Weapon Attack: +5 to hit, reach 5 ft. or range 20/60 ft., one target. Hit:4 (1d4 + 2) piercing damage.