Sources
CR
Type
Size
Alignment
Movement

Adult Kruthik

Medium Monstrosity, Unaligned

Armor Class 18 (natural armor)
Hit Points 39 (6d8 + 12)
Speed 40 ft., climb 40 ft., burrow 20 ft.
STR
15
+2
DEX
16
+3
CON
15
+2
INT
7
-2
WIS
12
+1
CHA
8
-1
Skills Perception +5
Senses darkvision 60 ft., tremorsense 60 ft., passive Perception 15
Languages Kruthik
Challenge 2 (450 XP)

Traits

Pack Tactics. The kruthik has advantage on an attack roll against a creature if at least one of the kruthik's allies is within 5 feet of the creature and the ally isn't incapacitated.

Tunneler. The kruthik can burrow through solid rock at half its burrowing speed and leaves a 5-foot-diameter tunnel in its wake.

Actions

Multiattack. The kruthik makes two Stab or Spike attacks.

Stab. Melee Weapon Attack: +5 to hit, reach 5 ft., one target. Hit:6 (1d6 + 3) piercing damage.

Spike. Ranged Weapon Attack: +5 to hit, range 20/60 ft., one target. Hit:5 (1d4 + 3) piercing damage.

Lore

Imagine a hive of ants the size of horses, but the ants are wearing armor.