Board Thread:Game Discussions/@comment-24609048-20140406001230/@comment-24116963-20140406002107

Actually, a level 22 4 star would not give just 90 EP if matching elements. It would give the 90 EP for the regular, and +1 EP for each level after 1. So it would be 90 + 21 = 111 EP. Not quite a significant difference considering you got the armor so high already, but it still helps.