Thunderfury, Blessed Blade of the Windseeker was WoW's very first legendary weapon. It comes from WoW's first raid, Molten Core, which is only available in the original 40-man raid format unique ...

With these options, your Evoker will always be the belle (er, drake) of the ball. These are the best transmog options for Evokers. Forged Gladiator's Chain Armor ...

This quest requires you to present the blade to Highlord Demitrian who will reward you with Thunderfury, Blessed Blade of the Windseeker. You can now use the weapon as a transmogrification appearance.