This quest is not available in game.
Craftsman Wilhelm at Light's Hope Chapel in the Eastern Plaguelands wants 5 Frozen Runes, 12 Thorium Bars, 2 Arcanite Bars, 2 Essences of Water and 200 gold.
Thanks to you and Omarion, may he rest in peace, I am now able to create Icebane gauntlets. All you need to do is bring me the materials and pay a small crafting fee.
You will receive: