Tip Top Condition (3.5e Feat)
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Tip Top Condition [Feat Types (Fighter)]
You are an incredibly well adjusted and adept fighter. The blood, sweat and tears you've shed in your journeys renders you immune to all toxins, standard biological poisons (which include acids, plants, etc) whose Reflex or Fortitude save is 30 or less.
Prerequisite: Epic Reflexes, Epic Fortitude