Reach Rank 20.
Mon 11/26/2018 10:30 pm PST ~ Tue 12/31/2030 03:59 pm PST
I'm sure you've been powering up your characters, but make sure you don't neglect your own Rank! Compared to NORMAL, stages on HARD and Z-HARD grant more EXP and make it easier to raise that Rank! Try to reach Rank 20!