The Cardinal Ruby is said to be the finest gem in all of Northrend. It sparkles like a crystal rose under the sun.$b$bBefore I teach you this recipe, I ask that you perform five epic gem transmutes to prepare your mind. You can do any you like, and even do the same transmute many times.$b$bReturn to me when you are truly ready.
Linzy Blackbolt in Dalaran wants you to successfully transmute 5 epic gems with your alchemy skill. Acceptable transmutes include Ametrine, Eye of Zul, Dreadstone, King's Amber, and Majestic Zircon.
Return to Linzy Blackbolt at Ironwall Dam in Icecrown.