Pernicious Poisoner

You have trained in the art of poison, gaining the following benefits:

• You gain proficiency with poisoner’s kits, and may treat alchemist’s supplies as a poisoner’s kit.
• You craft poisons twice as quickly as normal, doubling all daily progress made while crafting.
• You may create concentrated poisons by mixing two doses of the same poison together, imposing disadvantage on all saving throws to resist the poison.
• You always have advantage on saving throws against poison effects.