Abjuration
Level: Anarch 2, Anti-Paladin 2, Assassin 2, Avenger 2, Bard 1, Cleric 2, Corrupter 1, Liberation 2, Paladin 2
Components: V, S
Casting Time: 1 standard action
Range: Close (25 ft. + 5 ft./2 levels)
Target: One creature or object
Duration: 24 hours
Saving Throw: Will negates (harmless, object)
Spell Resistance: Yes (harmless, object)
An undetectable alignment spell conceals the alignment of an object or a creature from all forms of divination.
Source: Player’s Handbook (Page 297)