Swarm of Spectre Bats

Traits

Echolocation. The swarm can’t use its blindsight while deafened.

Keen Hearing. The bat has** advantage **on Wisdom (Perception) checks that rely on hearing.

Swarm. The swarm can occupy another creature’s space and vice versa, and the swarm can move through any opening large enough for a Tiny bat. The swarm can’t regain** hit points** or gain temporary** hit points**.

Incorporeal Movement. The swarmcan move through other creatures and objects as if they were difficult terrain.

Sunlight Sensitivity. While in sunlight, the swarm has** disadvantage **on attack rolls, as well as on Wisdom (Perception) checks that rely on sight.

Actions

Life Drain Bite. Melee Weapon Attack: +0 to hit, reach 5 ft., 1 target. Hit: 2d4 + 2d4[necrotic] piercing damage. The swarm attacks with its Bite.