I mostly decided to check in from an email saying that the energy system had been majorly changed, which I thought for the good.

Then I realized I likely had a lot of energy and crown stuffed in my account. Good thing after checking is that it all seems to be there, but from this update, is my CE relevant for anything now? Also, I happened to convert a large majority of my CE to crown for some reason, so I'm sitting on a lot of that. I'm assuming that's still relevant?

Random question also, before this recent update, what was the typical conversion rate of CE to crown?

Lastly, the UI changes from what I knew from a year before looks really nice, but are there any practical changes since then? Even from last year, it was a check-in after months of not playing, and I think I remember that hoarding the best 5* recipes weren't relevant anymore, and that re-rolls for equipment boosts (now apparently I forgot what those were called) made things like VH charge rate reductions and triple-slots of those things normalish.

Aside from those, anything updated aside from battle pets (I'll have to look into that more later)? Like equipment stat changes, revamps in equipment crafting trees, addition to weapon types, even better trinkets aside from the elites, etc. For some reference, last thing I remember like this was that the brandish 5* lines had multi-xplosions that made them more comparable or even better than the 5* sealed swords. And speaking of the 5*, are the "best" ones for swordsmen still the wolver line with the brandish and sealed series?