By inhaling almost deeply enough to crack your ribs, you can breathe out with incredible force, giving your exhaled blow darts unparalleled range and lethality.
Prerequisites: Base Attack Bonus +6, CON 15+, Weapon Focus (blowgun)
Benefit: As a full round action, you may fire a single dart from a blow gun with incredible force and accuracy. For this single attack, you may add your CON score as a competence bonus to the attack and damage rolls.
You are considered fatigued for 1 minute after using this tactic. If you are already fatigued, you become exhausted instead. You may not use this feat while fatigued or exhausted.
Poison Proofing (Combat)
Through painful and nauseating controlled exposure to a variety of deadly poisons, you have become completely immune to several deadly venoms.
Prerequisites: either CON 15+ or Toughness
Benefit: Select a number of poisons equal to your CON modifier (minimum two poisons). You become immune to these poisons. Additionally, for every five character levels, you become immune to one additional poison of choice. You may select poisons from those listed in the Pathfinder Roleplaying Game, or from any other source of poisons used in your campaign.
Self Denial (General)
You are used to fasting and privation and can go for long periods without food or water.
Benefit: You require only half the water and ¼ the food of a normal creature of your size. You may subsist on minimal rations indefinitely, without harm.