True Seeing, Mass(Races of Eberron, p. 190)
Level: Truth 9,
Components: V, S, M,
Casting Time: 1 standard action
Range: Close (25 ft. + 5 ft./2 levels)
Target: One creature/level, no two of which are more than 30 ft. apart
Duration: 1 minute/level
Saving Throw: Will negates (harmless)
Spell Resistance: Yes (harmless)
This spell functions like the true seeing spell (see page 296 of the Player's Handbook), except that it affects multiple creatures.
Material Component: An ointment for the eyes that costs 1,000 gp and is made form mushroom powder, saffron, and fat.