Merfolk Wavebender

Medium Elemental, Neutral

AC: 14

Initiative: +4 (14)

HP: 97 (15d8 + 30)

Speed: 10 ft., swim 40 ft.

STR: 10 (+0)
DEX: 18 (+4)
CON: 14 (+2)
INT: 13 (+1)
WIS: 19 (+4)
CHA: 15 (+2)

Saving Throws: Dex +7, Con +5, Wis +7, Cha +5

Skills: Perception +7

Resistances: cold

Senses: Passive Perception 17

Languages: Common, Primordial (Aquan)

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

Habitat: Coastal, Underwater

Treasure: Individual

Amphibious.

The merfolk can breathe air and water.

Spellcasting.

The merfolk casts one of the following spells, requiring no Material components and using Wisdom as the spellcasting ability (spell save DC 15):

At will: Elementalism, Light

1/day each: Control Water, Create or Destroy Water

Actions

Multiattack.

The merfolk makes two Aquatic Burst attacks.

Aquatic Burst.

Melee or Ranged Attack Roll: +7, reach 5 ft. or range 60 ft. Hit: 20 (3d10 + 4) Cold damage. If the target is a Large or smaller creature, it has the Prone condition.

Reactions

Watery Rebuke.

Trigger: An enemy the merfolk can see enters a space within 5 feet of the merfolk. Response:Strength Saving Throw: DC 15, the triggering enemy. Failure: 14 (4d6) Cold damage. If the target is Large or smaller, it is pushed up to 30 feet straight away from the merfolk by conjured water.

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Source: Monster Manual (2025), p. 209 - Licenses and attribution