When you choose to stun your foe with your lurk augment ability, your foe might be stunned for a long time.
Prerequisites: Lurk augment class feature, Extra Lurk Augment.
Benefit: When you use a lurk augment to deal a stunning attack, the save DC against the stun is increased by 2, and the stun duration is increased by 1 round.
Source: Complete Psionic, page 49. Renamed “stunning strike” to “stunning attack” to match the actual augment name described in the lurk class description.