Poison Expert

You have become a master with poisons and application, gaining the following benefits:

• Increase your Intelligence score by 1, to a maximum of 20.
• You gain proficiency with the poisoner's kit. If you are already proficient with the kit, you add double your proficiency bonus to checks you make with it.
• You can apply poisons to your melee weapons with a bonus action. A poison applied this way stays applied for 1 minute. 
• Your poison now deals an additional 1d6 poison damage for each turn the creature fails it's saving throw.
• When you craft a vial of basic poison using a poisoner's kit, you may instead craft a number of ounces of it equal to your Intelligence modifier over the course of a long rest. 
• The saving throw DC of your poison's become 8 + your proficiency bonus + your Intelligence modifier, instead of 10.