User blog comment:Crimson Storm Mich/Summoner Arc: Weapon/Summon Arts/@comment-26575441-20160915181502/@comment-26944381-20160915200823

5* since the nerf is minimal, they have more HP/Atk/Def/Rec than the 4* and more buffs (which is what you should aim in this mode).

This is how (I think) it works:

5*>6*>4*>7*>OE

(cmiiw please).