Gargantua

Gargantuan aberration, typically chaotic neutral

Armor Class

17 (natural armor)

Hit Points

388 (21d20 + 168)

Speed

60 ft.

Saves

wis +10, dex +7, int +6

Damage Resistances

force, psychic

Condition Immunities

frightened

Senses

darkvision 120 ft.

Languages

Giant

Challenge

21

Proficiency Bonus

+7

Weird Aura

At the start of each of the gargantua's turns, each creature of the gargantua's choice within 30 feet of it must make a DC 19 Wisdom saving throw. On a failed save, a target sees the gargantua as a manifestation of the target's worst fears; it takes 17 (5d6) psychic damage and has the frightened condition until the start of the target's next turn. On a successful save, a target is immune to this gargantua's Weird Aura for 24 hours.

Actions

Multiattack

The gargantua makes two Slam or Rock attacks.

Slam

Melee Weapon Attack: +15 to hit, reach 20 ft., one target. Hit: 27 (3d12 + 8) bludgeoning damage.

Rock

Ranged Weapon Attack: +15 to hit, range 120/480 ft., one target. Hit: 24 (3d10 + 8) bludgeoning damage.

Baleful Hex (Bonus Action)

The gargantua curses one creature it can see within 120 feet of itself. The target must succeed on a DC 19 Wisdom saving throw or have the incapacitated condition until the end of its next turn.

Teleport (Bonus Action)

The gargantua teleports, along with any equipment it is wearing or carrying, to an unoccupied space that it can see within 120 feet of itself.