You gain the aura ability of a mantle you have donned.
Prerequisites: Don Mantle, psychic aura class feature.
Benefit: You gain the ability to generate a psychic aura based on a mantle you have accessed with the Don Mantle feat. When you generate a psychic aura, you can also choose the aura granted by the mantle from the associated Don Mantle feat.
Special: You can gain this feat multiple times. Each time you do, you choose a new mantle you have donned with the Don Mantle feat.
Source: Complete Psionic, page 54.