Enduring Psionics (3.5e Feat)
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Enduring Psionics [Psionic]
Your psionic powers last longer than normal.
Prerequisite: Extend Power
Benefit: Your gain a +1 bonus to your manifester level when determining the duration of powers you manifest whose duration is directly affected by your manifester level (such as astral construct).
Special: You can take this feat multiple times. Its effects stack. Whenever you take it, the bonus to your manifester level increases by another point.