Armor of Darkness

Abjuration [Darkness]
Level: Darkness 4
Components: V, S, DF
Casting Time: 1 standard action
Range: Touch
Target: Creature touched
Duration: 10 minutes/level
Saving Throw: Will negates
Spell Resistance: Yes (harmless)
The spell envelops the creature in a shroud
of flickering shadows.
The shroud grants the subject a +4
deflection bonus to Armor Class plus
an additional +1 for every three caster
levels above 7th (for a total of +5 at 10th
level, +6 at 13th, +7 at 16th, to a maximum
of +8 at 19th level). The subject
can see through the armor as if it did
not exist and is also afforded darkvision
out to 60 feet. The subject gains a +2
saving throw bonus against any holy,
good, or light spells or effects.
Undead creatures that are subjects
of armor of darkness also gain +4 turn