Skull Swarm

Clacking Skull Swarm (Creature 10), Feral Skull Swarm (Creature 12), Sorcerous Skull Swarm (Creature 14)

Skull swarms are closely related to the undead creatures known as beheaded and are fundamentally little more than a collection of independent beheaded acting in concert toward their shared goals. In addition to the skull swarms detailed here, swarms of other types of beheaded with corresponding abilities can be found in any region plagued by excessive decapitation.