Drow Poison Expert (Drow)Modifier
You know how the body work and know how to make your poison use those weakness
Prerequisites: Drow, Craft (Alchemy) 4 ranks
Benefit: If you spend a daily racial charge while making a poison or other alchemical item, you gain the following benefits: You may treat Craft (Alchemy) as an Intelligence-, Wisdom-, or Charisma-based skill, matching the ability which you chose to add your +2 racial bonus to. You may also treat Craft (Poisonmaking) checks as Craft (Alchemy) checks, if doing so would be beneficial to you. Finally, the save DC for Drow poison you make is equal to 10 + your 1/2 Hit Dice + the mental ability score you use for Craft (Alchemy). You may also add Detect Poison and Poison to your list of natural drow magics.
Essentia: The DC of any poison you delivered is increase by +1 / Essentia