Keen Edge Psionic

Metacreativity
Level: Psion/wilder 3, psychic warrior 3
Display: Visual
Manifesting Time: 1 standard action
Range: Close (25 ft. + 5 ft./2 levels)
Targets: One weapon or fifty projectiles, all of which must be in contact with each other at the time of manifestation
Duration: 10 min./level
Saving Throw: Will negates (harmless, object)
Power Resistance: Yes (harmless, object)
Power Points: 5

As keen edge (page 246 of the Player’s Handbook), except as noted here.