Greater Psionic Weapon
( Expanded Psionics Handbook, p. 47)[Psionic]
You can charge your melee weapon with additional damage potential.
Prerequisite
Psionic Weapon (XPH) , STR 13, base attack bonus +5,
Benefit
When you use the Psionic Weapon feat, your attack with a melee weapon deals an extra 4d6 points of damage instead of an extra 2d6 points.