Boon Of Poison Mastery

You gain the following benefits. Ability Score Increase. Increase one ability score of your choice by 1, to a maximum of 30. Antitoxic. You have Immunity to Poison damage and the Poisoned condition. Perfect Poisoner. Once per turn, when you roll dice to determine Poison damage a creature takes from your attack, spell, or feature, you can instead use the highest number possible for each die.