Gargantuan Monstrosity, unaligned
Armor Class 18 (natural armor)
Hit Points 155 (10d20 + 50)
Speed 40 ft., swim 60 ft.
STR
23 (+6)
DEX
10 (+0)
CON
21 (+5)
INT
5 (-3)
WIS
14 (+2)
CHA
9 (-1)
Saving Throws Str +10, Con +9
Skills Perception +6
Damage Resistances cold, fire, lightning
Senses blindsight 60 ft., passive Perception 16
Languages understands Giant but can't speak
Challenge 11 (7200 XP)
Proficiency Bonus +4
Amphibious.
Actions
Multiattack.
Claw.
Stinger.
Water Jet (Recharge 5–6).