Darkvision, Mass

(Tome and Blood: A Guidebook to Wizards and Sorcerers, DnD 3.0)

Transmutation

Level: ; Sorcerer/Wizard 4
Components:
Range: 10 feet
Target: All creatures in a 10-ft.-radius sphere around you at the time of casting
Duration: 1 hour/level
Saving Throw: None
Spell Resistance: Yes (harmless)

As darkvision, except that all creatures in the area at the time of casting receive the spell's benefits.