Dorje Mastery( Complete Psionic, p. 59)
Psionic dorjes are more potent in your hands.
Craft Dorje, manifester level 9th,
When you use a dorje, the power manifested is treated as if it were augmented by 4 additional power points. If the power cannot be augmented, then the DC of saving throws against the dorje's effect is increased by 2.