You fill the bottle with enough of the cauldron's poisonous concoction for a suitable sample to be studied.$B$BWith the poison in hand, it is time to return to Shadow Priestess Vandis at the Bulwark to complete the mission.

Bring the Filled Felstone Field Bottle to Shadow Priestess Vandis at the Bulwark, Western Plaguelands.

• Filled Felstone Field Bottle
  x1

• Money 0.8g
• Spell cast on completion: #23947
• Rep. with Undercity +25
• Rep. with Argent Dawn +25