Kuo-toa Monitor

Medium Aberration, Neutral Evil

AC: 13

Initiative: +0 (10)

HP: 65 (10d8 + 20)

Speed: 30 ft., swim 30 ft.

STR
16 (+3)
DEX
10 (+0)
CON
14 (+2)
INT
12 (+1)
WIS
14 (+2)
CHA
11 (+0)

Skills: Perception +6, Religion +3

Senses: Darkvision 120 ft., Truesight 30 ft., Passive Perception 16

Languages: Undercommon

CR: 3 (XP 700; PB +2)

Habitat: Coastal, Underdark

Treasure: Relics

Amphibious.

The kuo-toa can breathe air and water.

Sunlight Sensitivity.

While in sunlight, the kuo-toa has Disadvantage on ability checks and attack rolls.

Actions

Multiattack.

The kuo-toa makes two Bone Whip attacks.

Bone Whip.

Melee Attack Roll: +5, reach 10 ft. Hit: 6 (1d6 + 3) Slashing damage plus 7 (2d6) Lightning damage, and the target can't make Opportunity Attacks until the start of the kuo-toa's next turn.

Find this creature in the encounter builder

Kuo-toa Monitor

Source: Monster Manual (2025), p. 190 - Licenses and attribution