The material below is Open Game Content from the 3PP Source
School illusion (glamer); Level bard 1, magus 1, sorcerer/wizard 1
Casting Time 1 standard action
Component V, S
Target creature touched
Duration 1 round/level (up to 5 rounds) (D)
Saving Throw Will negates (harmless); Spell Resistance yes (harmless)
This spell functions like invisibility, except the effect only lasts for 1 round per caster level (maximum of 5 rounds). Like invisibility, the spell immediately ends if the subject attacks any creature.