Corrosive Weapon Master

You have practiced extensively with a variety of weapons, gaining the following benefits:

• Increase your Strength or Dexterity score by 1, to a maximum of 20.
• You gain proficiency with 2 weapons of your choice. Each one must be a simple or a martial weapon.
• Add the ability to coat proficient weapons in poison that lasts 1 day, renewed and reapplied at each dawn, and deals 1d8 poison damage each successful hit, then scales with each feat level as your proficiency with this poisonous creation improves: 2d8 at 5th level, 3d8 at 11th level, 4d8 at 14th level. 
• Gain proficiency in either alchemist supplies or poisoner’s kit to make your deadly concoctions.
• Can choose to make a delayed acid compound that would serve as an acid damaging compound on a creature following the same damage and leveling rules as above .