A variation of the magic aura spell, mystical void surrounds a creature with a field that absorbs the background emanations of magical items or effects.
Crime and Punishment
Author Keith Baker
Series Campaign Style
Publisher Atlas Games
Publish date 2003
Level: Assassin 1, God’s Eye 1, Spellbane 1, Sor/Wiz 1
Casting Time: 1 action
Components: V, S, F/DF
Range: Personal or touch
Target: You or one creature weighing no more than 100 lb./level
Duration: 10 minutes/level (D)
Saving Throw: Will negates (harmless)
Spell Resistance: Yes (harmless)
This conceals any magical objects carried by the target and any personal spell effects; while the void remains in effect, these will not show up with the use of detect magic, detect magical residue, or detect mystical streams. Any spell effects that project beyond the target will trigger detect spells normally.
Arcane Focus: A small square of silk that must be touched to the target.