Quote Originally Posted by indonesian View Post
i dont exactly remember how, but i just trying to fuse anything and when i fuse LF and AA, i got the sky guardian.

is it about percentage of probability?

i dont know, just my luck
The levels of the combined armors average out. So if you fuze a level 10 with a level 20, you get a level 15.. if you fuze two level 1s, you should always get a level 1. At least that is how it has always been for me and how I have always seen it reported.