Gargantua

Gargantuan Aberration, typically Chaotic Neutral
Armor Class 17 (natural armor)
Hit Points 388 (21d20 + 168)
Speed 60 ft.
STR
27 (+8)
DEX
10 (+0)
CON
26 (+8)
INT
9 (-1)
WIS
16 (+3)
CHA
18 (+4)
Saving Throws Dex +7, Int +6, Wis +10
Damage Resistances force, psychic
Condition Immunities frightened
Senses darkvision 120 ft., passive Perception 13
Languages Giant
Challenge 21 (33000 XP)     Proficiency Bonus +7
Weird Aura.
Actions
Multiattack.
Slam.
Rock.
Bonus actions
Baleful Hex.
Teleport.
Reactions
Flick.
Spell Mimicry (1/Day).
Sometines, maybe at the whim of some malicious god, a gargantua is born to giant parents. The creature's true nature manifests upon reaching adulthood when its complexion turns purplish and horns sprout from its head. The gargantua grows rapidly at a height of 40 feet or more.
Glory of the Giants

Gargantua
  1. DnD 5e Monsters › Gargantua