3e SRD:Psionic Metabolism
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Psionic Metabolism [Psionic]
Prerequisite: Con 13+, Rapid Metabolism.
Benefit: The character converts 1 point of normal damage to 1 point of subdual damage per hour, if he or she pays the cost of 1 power point per hour. If the character is unconscious or dying, Psionic Metabolism does not work.