Maw of Sekolah

Huge Monstrosity, Neutral Evil

AC: 12

Initiative: +1 (11)

HP: 114 (12d12 + 36)

Speed: 0 ft., swim 50 ft.

STR: 21 (+5)
DEX: 12 (+1)
CON: 17 (+3)
INT: 2 (-4)
WIS: 14 (+2)
CHA: 7 (-2)

Saving Throws: Str +8, Con +6

Skills: Athletics +8, Perception +5

Senses: darkvision 120 ft., Passive Perception 15

Languages: Sahuagin, telepathy 100 ft.

CR: 7 (XP 2,900; PB +3)

Legendary Resistance (2/Day).

If the maw of Sekolah fails a saving throw, it can choose to succeed instead.

Water Breathing.

The maw of Sekolah can breathe only underwater.

Actions

Multiattack.

The maw of Sekolah makes one attack with its bite and one attack with its tail smash.

Bite.

Melee Weapon Attack: +8 to hit, reach 10 ft., one target. Hit: 16 (2d10 + 5) piercing damage.

Tail Smash.

Melee Weapon Attack: +8 to hit, reach 10 ft., one target. Hit: 9 (1d8 + 5) bludgeoning damage.

Legendary Actions

Legendary Action Uses: 3. Immediately after another creature’s turn, this creature can expend a use to take one of the following actions; it regains all expended uses at the start of each of its turns.

Detect.

The maw of Sekolah makes a Wisdom (Perception) check.

Speed of Sekolah.

The maw of Sekolah moves up to its speed.

Feed (Costs 2 Actions).

The ferocious spirit of Sekolah flashes through the water, tearing through the foes of the maw of Sekolah. Each creature of the maw's choosing within 60 feet of it must make a DC 16 Dexterity saving throw, taking 7 (2d6) slashing damage on a failed save, or half as much damage on a successful one.

Find this creature in the encounter builder

Source: Ghosts of Saltmarsh, p. 244 - Licenses and attribution