Sahuagin

An amphibious humanoid creature with a fish-like appearance, known for its predatory nature and ability to live both in water and on land, attacking in packs.

Vitality 12, Defense +1, Resistance +1, Speed 60 feet (swimming),
Attacks: Trident +2 (1d6)

Blood scent: The Trident's damage increases by one step on the damage ladder against creatures with wounds.

Half-fish: It must return to water every 4 hours.