Only problem that I see with this is uptime. The key fight that comes to mind particularly for melee is Byakko Ex, especially as one will not always have true north available to use. I would support some changes to SSS that mimic the fights that the dummy is representing, ideally, mechanics that don't exactly kill you, but affect your damage - with an increased timeframe, of course. As it is, I don't like SSS because some of the HP on them are overtuned. I have yet to beat a dummy for the current Savage tier, yet I can perform fine in actual Savage. SSS needs some key QoL improvements for it to be a good source of information. All it does is just inform you that your rotation is sound when you are in a pure burn phase and have zero mechanics to worry about.