Player > Feats > Poison Rejection
You’ve mastered a method of using your bodily fluids to negate poison and venom.
Racial trait with “poison” or “slime” in the name.
When you are affected by a poison or venom, if you succeed at your first saving throw against the poison, you are immediately allowed a second at the same DC. If you succeed at both saves, you end the poison with no further effects.