Inescapable Swarm

Illusion [fear]
Tier: 3
Components: Verbal, Somatic
Casting Time: 1 major action
Range: 120 ft
Target: One living creature
Duration: 1 round/level
Saving Throw: Charm Negates, see text
Bugs. Swarming over them. Into their eyes. Their mouth. Devouring them.

Hundreds of illusory insects (of your imagining) swarm over the target. The subject of this spell can see and even feel the swarm of insects, but no one else can see them. Each round, the creature must make a Fear save or be debilitated for 1 round.

Any living creature other than you who touches, or is touched by, the subject of this spell is also subject to its effects for the remainder of its duration if they fail a Charm save. These secondary targets can also spread the spell.