Purple Worm
Gargantuan monstrosity, unaligned
Armor Class 18 (natural armor)
Hit Points 247 (15d20 + 90)
Speed 50 ft., swim 25 ft., climb 25 ft., burrow 50 ft.
str
28 (+9)
dex
7 (-2)
con
22 (+6)
int
1 (-5)
wis
8 (-1)
cha
4 (-3)
Saving Throws Con +11, Wis +4
Senses blindsight 30 ft., tremorsense 60 ft., passive Perception 9
Languages -
Challenge 15 (13,000 XP)
Tunneler. The worm can burrow through solid rock at half its Burrow Speed and leaves a 10-foot-diameter tunnel in its wake.
Actions
Bite. Melee Attack Roll: +14, reach 10 ft. 22 (3d8 + 9) Piercing damage. If the target is a Large or smaller creature, it has the Grappled condition (escape DC 19), and it has the Restrained condition until the grapple ends.
Multiattack. The worm makes one Bite attack and one Tail Stinger attack.
Tail Stinger. Melee Attack Roll: +14, reach 10 ft. 16 (2d6 + 9) Piercing damage plus 35 (10d6) Poison damage.