Shoggoth
Huge Aberration, Chaotic EvilAC 15
HP 172 (15d12 + 75)
Speed 30 ft., climb 30 ft., swim 30 ft.
STR
22 (+6)
Save +6
DEX
16 (+3)
Save +7
CON
21 (+5)
Save +9
INT
20 (+5)
Save +5
WIS
17 (+3)
Save +3
CHA
8 (-1)
Save -1
Saving Throws DEX +7, CON +9
Resistances Bludgeoning; Piercing; Slashing
Immunities Cold
Condition Immunities Grappled, Prone, Restrained
Senses Darkvision 120 ft., Passive Perception 13
Languages Deep Speech; telepathy 60 ft.
CR 11
Traits
Amphibious. The shoggoth can breathe air and water.
Mimicry. The shoggoth can mimic voices and animal sounds. A creature that hears this mimicry can tell it is an imitation only with a successful 13 Wisdom (Insight) check.
Susceptible to Charm. The shoggoth has Disadvantage on saving throws to avoid or end the Charmed condition.
Actions
Multiattack. The shoggoth makes three Pseudopod attacks. It can replace one attack with a use of Suction Burst if available.
Pseudopod. Melee Attack Roll: +10, reach 15 ft. Hit: 15 (2d8 + 6) Bludgeoning damage plus 11 (2d10) Thunder damage, and the creature has the Grappled condition (escape 16) from one of four pseudopods.
Suction Burst (Recharge 4+). str 18, one creature Grappled by the shoggoth. Failure: 22 (4d10) Thunder damage, and the target is repelled from the shoggoth. The target no longer has the Grappled condition, is pushed up to 30 feet straight away from the shoggoth, and has the Deafened and Stunned conditions until the end of its next turn. Success: Half damage only.
Reactions
Cold Sprint. Trigger: The shoggoth is subjected to Cold damage. Response: The shoggoth moves up to its Speed and can make one Pseudopod attack with Advantage.