The Love Potion Bring 4 Gromsblood, 10 Giant Silver Veins and Nagmara's Filled Vial to Mistress Nagmara in Blackrock Depths.
Blasted Lands Alliance & Horde
To Serve Kum'isha In your journeys throughout the Blasted Lands, should you ever come across a Flawless Draenethyst Sphere, take the item back to Kum'isha the Collector.
Be warned, this gem is one of the most rare crystals in all of Azeroth. Any creature in these lands could be holding a Flawless Draenethyst Sphere.
You will be rewarded for each Flawless Draenethyst Sphere you have collected.