Thousand Teeth

Large Monstrosity, Neutral Evil

AC: 12

Initiative: +0 (10)

HP: 93 (11d10 + 33)

Speed: 30 ft., swim 50 ft.

STR: 19 (+4)
DEX: 10 (+0)
CON: 17 (+3)
INT: 2 (-4)
WIS: 10 (+0)
CHA: 7 (-2)

Saving Throws: Str +7, Con +6

Skills: Athletics +7, Stealth +3

Senses: Passive Perception 10

CR: 6 (XP 2,300; PB +3)

Hold Breath.

Thousand Teeth can hold its breath for 30 minutes.

Legendary Resistance (2/Day).

If Thousand Teeth fails a saving throw, it can choose to succeed instead.

Actions

Multiattack.

Thousand Teeth makes two attacks: one with its bite and one with its tail.

Bite.

Melee Weapon Attack: +7 to hit, reach 5 ft., one target. Hit: 15 (2d10 + 4) piercing damage.

Tail.

Melee Weapon Attack: +7 to hit, reach 10 ft., one target. Hit: 8 (1d8 + 4) bludgeoning damage. If the target is a creature, it must succeed on a DC 15 Strength saving throw or be knocked prone.

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.

Thousand Teeth makes a Wisdom (Perception) check.

Lunge.

Thousand Teeth moves up to half its speed.

Bite (Costs 2 Actions).

Thousand Teeth makes a bite attack.

Find this creature in the encounter builder

Source: Ghosts of Saltmarsh, p. 256 - Licenses and attribution