Repel Vermin

School: Abjuration
Caster Level: Bard/Cleric/Druid 4, Ranger/Hexblade 3
Components: V, S, DF
Range: 10 ft.
Area: 10-ft.-radius emanation centered on you
Duration: 10 min/level
Saving Throw: None or Will negates
Spell Resistance: Yes

An invisible barrier holds back vermin. A vermin with HD of less than one-third your level can't penetrate the barrier. A vermin with HD of one-third your level or more can penetrate the barrier if it succeeds a Will save. Even so, crossing the barrier deals the vermin 2D6 points of damage.