Feats/Passive Skill and Save

Save bonus feats

 * Great Fortitude: This feat grants a +2 bonus to all Fortitude saves.
 * Iron Will: This feat grants a +2 bonus to Will saves.
 * Lightning Reflexes: This feat grants a +2 bonus to all Reflex saving throws.
 * Luck of Heroes: This feat grants a bonus to +1 to all saving throws.
 * Resist Poison: This feat grants a +4 bonus to all saving throws vs. poison.
 * Snake Blood: This feat grants a +2 bonus to saving throws vs. poison and +1 to reflex saving throws.

Other Save related feats

 * Force of Personality (requires Charisma 13+): This feat allows character to use charisma modifier for will saving throws, instead of wisdom.
 * Insightful Reflexes (requires Intelligence 13+): This feat allows character to use intelligence modifier for reflex saving throws, instead of dexterity.