Swarm of Spiders

The swarm of spiders can climb difficult surfaces, including upside down on ceilings, without needing to make an ability check.

While in contact with a web, the swarm of spiders knows the exact location of any other creature in contact with the same web.

The swarm of spiders ignores movement restrictions caused by webbing.

The swarm of spiders can occupy another creature's space and vice versa, and the swarm of spiders can move through any opening large enough for a Tiny insect. The swarm can't regain hit points or gain temporary hit points.

Melee Weapon Attack: +3 to hit, 0 ft., one creature in the swarm of spiders's space. Hit: 10 (4d4) piercing damage, or 5 (2d4) piercing damage if the swarm of spiders has half of its hit points or fewer.