Armor Class 14
Hit Points 38 (7d8 + 7)
Speed 30 ft., swim 30 ft.
Skills Medicine +4, Nature +3, Stealth +6, Survival +4
Senses darkvision 60 ft., passive Perception 12
Languages Common, Elvish, Sylvan
Challenge 3
Amphibious. Siren can breathe air and water.
Magic Resistance. Siren has advantage on saving throws against spells and other magical effects.
Shortsword. Melee Weapon Attack: +6 to hit, reach 5 ft., one target. Hit: 7 (1d6 + 4) piercing damage.
Stupefying Touch. Siren touches one creature she can see within 5 feet of her. The creature must succeed on a DC 13 Intelligence saving throw or take 13 (3d6 + 3) psychic damage and be stunned until the start of Siren's next turn.
TftYP, p. 243