Board Thread:Questions and Answers/@comment-5088206-20150423151945/@comment-26283771-20150423153550

Depends, first I look at if I have the materials to evolve and then the level of that unit. If the Sefia is almost maxed out then the Eva, and Vice Versa. If they are both low, then I would fuse it into Sefia, just to make the better unit stronger.