Weapon Augmentation, Greater(Eberron Campaign Setting, p. 117)
Level: Artificer 6,
Components: S, M,
Casting Time: 1 minute
Target: One weapon or fifty projectiles, all of which must be in contact with each other at the time of casting
Duration: 10 minutes/level
Saving Throw: None (object)
Spell Resistance: No (object)
As lesser weapon augmentation, but you can choose any special ability whose market price is equivalent to a bonus of up to +5 or up to 200,000 gp, such as vorpal.
Material Component: An ointment costing 200 gp.