Warning: This is 3.0 Edition material. It is possible that there is more recent 3.5 Edition version.

Superior Darkvision

(Unapproachable East)

Level: Ranger 4, Sorcerer 4, Wizard 4,
Components: V, S, M,
Casting Time: 1 standard action
Range: Touch
Target: Creature touched
Duration: 1 hour/level
Saving Throw: Will negates (harmless)
Spell Resistance: Yes (harmless)

The subject gains the ability to see in total darkness, with no limitation to the range of vision.
Terrain, distance, and line of sight are the only limitations to the subject's ability to see, and the normal Spot check penalties apply on attempts to descry distant or small objects or creatures.
Darkvision is black and white only but otherwise like normal sight.
Superior darkvision does not grant the target creature the ability to see in magical darkness.
Material Component: A chip of agate.