NA-75 wataru's
Based on playing this game for almost a year now (note: I don't own lots of high tier SS hero so I could be wrong)
Credit to https://docs.google.com/spreadsheets/d/1mTuEWkreyRepilSV3xlB9PB_zFBX4_zzkHTaNq-KgCE/edit#gid=0 for the images.
