The Instigator's Enchantment
Bring the following to Falrin Treeshaper inside Dire Maul: 1 Jeering Spectre's Essence, 4 Dark Runes and 8 Large Brilliant Shards.
I can place the enchantment you require on the banner quite easily, <name>. Unfortunately I don't have the materials I need as it is very rarely that someone asks for this sort of charm.
I will require the essence of one of the Eldreth ghosts that haunt these halls, a handful of Scholomance dark runes and some large brilliant shards. Bring me these reagents and I shall perform this task for you.
Yes, these will do just fine. After I'm done, no force in the world will be able to stop your victim from accepting your challenge.
Upon completion of this quest you will gain: