Magic:See Invisibility

Divination
Level: Brd 2, Sor/Wiz 2
Innate Level: 2
Component(s): V, S
Casting Time: 1 action
Range: Personal
Target: Single
Duration: 1 Minute/Level
Counter(s): --
Saving Throw: None
Spell Resistance: No
Metamagic: Extend, Quicken, Silent, Still
Energy Substitution: No

The target creature is able to see all invisible creatures within his/her line of sight.