Highlord Darion Mograine wants you to collect 50 Shadowfrost Shards.
Shadowfrost Shards may only be obtained in the 25 person difficulty setting.
The Lich King's throne once served as his prison. Kil'jaeden himself crafted the vessel of icy crystals from the twisting nether, its sole purpose to hold Ner'zhul's vengeful spirit.
When Arthas struck the crystal with Frostmourne, he released Ner'zhul's soul, allowing it to merge with his own. Splinters from that impact are now scattered throughout the citadel.
I shall require those shards, held only by the Lich King's most powerful servants, to seal the power contained in your blade.
Also, you get: 14 80
Have you obtained the shards of the frozen throne, <class>?
These should suffice, <class>.
Speak to me when Shadow's Edge has been thoroughly empowered and I will attempt its completion.
Upon completion of this quest you will gain: