Ankheg
Large monstrosity, unaligned
Armor Class 14 (natural armor)
Hit Points 45 (6d10 + 12)
Speed 30 ft., swim 15 ft., climb 15 ft., burrow 10 ft.
str
17 (+3)
dex
11 (+0)
con
14 (+2)
int
1 (-5)
wis
13 (+1)
cha
6 (-2)
Senses darkvision 60 ft., tremorsense 60 ft., passive Perception 11
Languages -
Challenge 2 (450 XP)
Tunneler. The ankheg can burrow through solid rock at half its Burrow Speed and leaves a 10-foot-diameter tunnel in its wake.
Actions
Acid Spray. Dexterity Saving Throw: DC 12, each creature in a 30-foot-long, 5-foot-wide Line. Failure: 14 (4d6) Acid damage. Success: Half damage.
Bite. Melee Attack Roll: +5 (with Advantage if the target is Grappled by the ankheg), reach 5 ft. 10 (2d6 + 3) Slashing damage plus 3 (1d6) Acid damage. If the target is a Large or smaller creature, it has the Grappled condition (escape DC 13).