Poison Sting

You have perfected the creation of poisons, their use, and developed a tolerance against them. You gain the following benefits:

• Increase your Dexterity or Intelligence score by 1, to a maximum of 20.
• You gain proficiency with a poisoner's kit, and you add double your proficiency bonus to checks you make with it.
• You can apply a poison to one slashing or piercing weapon or up to three pieces of ammunition as a bonus action.
• You have advantage on saving throws against poison.