Crystal Cave Merfolk

Medium Humanoid (Merfolk), Neutral

STR
10 (+0)
DEX
13 (+1)
CON
12 (+1)
INT
11 (+0)
WIS
11 (+0)
CHA
12 (+1)
Amphibious.

The merfolk can breathe air and water.

Siren Song.

Lovely singing voices charm every humanoid or giant within 300 feet. The targets must succeed on a DC 11 Wisdom saving throw or be charmed until the song ends.

Actions

Bite.

Melee Weapon Attack: +2 to hit, one target. Hit: 3 (1d6) piercing damage.

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Crystal Cave Merfolk

Source: Adventure with Muk, p. 31 - Licenses and attribution