Board Thread:Game Discussions/@comment-96.35.245.88-20140701161724/@comment-25055391-20140701172855

To clear up what banana said, the formula is this   (Lv of armor 1 + lvl of armor 2) / 2 = lvl of fused armor

In other words, it takes the average of the two fused armors. But as far as how level effects the outcome of fusion other than that, I do not believe it matters.

Also, if you have 5 EB armors (I am assuming regular and not +), do NOT fuse them. The chances for an epic are so small that the chances are you would now be left with whatever the results of fusion are, which will most likely be much weaker than what you have already. Not to mention, having 5 armors with different elements is really nice when it comes to war time.

I did not really start fusing until I had my 3rd EB+, then I would begin fusing the regular versions away.