Extinguishing Mixture

The Extinguishing Mixture was used by prospective Blood Knight Masters to extinguish the eternal flame of the Alonsus Chapel in Stratholme.

Source
The reagents required were collected from the third-to-last and second-to-last quests of the blood elf paladin's epic mount quest chain. The Tyr's Hand Holy Water could be found in the Abbey in Tyr's Hand. The Arcane Catalyst was purchased from Zalle in Silvermoon City's Bazaar for. The Crepuscular Powder was purchased from Darlia, the poisons vendor in Silvermoon's Murder Row, for. The Azerothian Diamond could be found from thorium veins. The Pristine Black Diamond dropped in high-level instances.

As a quest objective

 * True Masters of the Light (3)


 * Suppressing the Flame