Blazing Rapier is crafted by Blacksmiths with a skill level of 280 who also have the Swordsmith specialty. The components are: * 10 Enchanted Thorium Bars * 4 Essences of Fire * 4 Hearts of Fire * 2 Azerothian Diamonds * 2 Dense Grinding Stones The recipe is a quest reward from the quest Corruption given by Seril Scourgebane in Winterspring. You must have the Swordsmith blacksmith speciality to receive this quest.