Improved Invisibility
From HGWiki
Caster Level(s): Assassin 4, Bard 4, Wizard / Sorcerer 4, Cleric with Trickery domain 5
Innate Level: 4
School: Illusion
Descriptor(s):
Component(s): Verbal, Somatic
Range: Touch
Area of Effect / Target: Single
Duration: 1 Turn / Level
Additional Counter Spells: Invisibility Purge
Save: Harmless
Spell Resistance: No
Description: The target creature becomes invisible and impossible to detect using normal vision. After attacking or casting spells the target creature will become partially visible and detectable by enemies, but still retain a 25% concealment bonus. This bonus increases to 30% at caster level 41, and to 35% at caster level 51.
Notes
When cast by an Assassin, this spell casts Camouflage instead, granting (25 + ((Hide skill) / 3))% concealment, maxing out at 67%.