Quote Originally Posted by Grimmiq View Post
Cost Reduction and Skill Up.

Two Melodies worked fine for me, spent the 5SCs I got from completing the event mission though, got her max CR, just need 1 more SU for 10/10.
rainbow'ing the last SU is probably a better idea than farming more waltz at this point for you.

rip complaining about 5 waltz from 10 runs when it's average drop rate.

@nip you just answered your own question.