Ultimate Adventurer's Handbook
Mass Invisibility
8-level Illusion
Casting Time: 1 action
Range/Area: 30 feet
Components: V, S
Duration: Concentration, up to 1 minute
Choose any number of creatures you can see within range. Until the spell ends, each of those creatures becomes invisible to every creature you didn’t choose. Anything a chosen creature is wearing or carrying is also invisible to each creature that wasn’t chosen, as long as it is on the person of a chosen creature.