Will-o'-wisp

Elemental
(Creature)
Type	Outsider ( Air)
Environment	Swamps and marshes
Adjective	elemental

Will-o'-wisps appear as glowing orbs of light, most frequently found in swamps on the Material Plane or in The Shallows. While the personalities vary from one individual to another, most tend to be malicious and seem to take joy in leading travelers off the path and into danger.