Board Thread:Game Discussions/@comment-5.22.130.195-20131214204555/@comment-24264977-20131214210717

Already is : http://knights-and-dragons.wikia.com/wiki/Fusion_Armors

Two 3 star armors have a chance to make Super Rare,   Ultra Rare ,  Legendary and Epic.

The chance to get an Epic is pretty small though. So you got lucky :)