Swarm The swarm can occupy another creature's space and vice versa. The swarm can move through any gap large enough for a single Nerlath. Water breathing. The swarm can breathe only underwater.
Bites Melee weapon attack: +5 to hit, reach 0ft, one creature in the swarm's space. Hit 12 (3d6) 3d6 . If the swarm has less than half it's hit points then it does half damage. On a hit the swarm also inflicts bleeding bites. Bleeding bites. Nerlath bites don't close easily. A creature that takes damage from the swarm's bites will continue to lose 1 hp at the start of each of it's turns. The damage increases by 1 for each additional bite taken by the creature. The bleeding can be stopped though a successful DC 10 Wisdom (Medicine) check or magical healing.
Nerlath are most commonly found in the river Vyr that runs through the Phelposi Valley.