Quick thoughts about Dyon after playing around with her a bit.
So I built a team around her that can allow her to envy res consistently almost every turn, that is why there is a Middleclair there to help with the envy res as my options for a seventh charge id that also has envy were REALLY limited. Also don't ask why he's second in damage.
Don's EGO was used multiple times throughout this run.
So what do I think about her? I think she's just... alright. You really want a team that can envy res for her so that she enters negative mode as fast as possible as you can see in my screenshot, in which she was activated by t3. I really would have hoped that her modifiers were a little bit higher, this is her output with me activating everything she has, AND Jia Mu is weak to Envy btw.
So did she ''save'' charge? Not really, the status still suffers from not inflicting any real debuffs and not having enough raw power to compensate for the lack of it. Going through Jia Mu was still a slog at 23 turns.
Rather than charge, if the envy team actually gets better members in the future I think she will perform better there.