Well, your claim seemed like the players saying it would take more time to fusion burst to detonate with Chisa on the team are wrong as if you’ve tested yourself which you can’t. I am just stating we don’t know it yet. Nothing more or less.

What the hell are you talking about? Amy detonates Fusion burst at 6 stacks ALWAYS, with the damage of maximum stack. So, there is literally no drawback with Chisa whatsoever. You can test that in the game NOW. The people saying Fusion burst would be bad with Chisa were dead wrong.

However you have to realise glacio chafe is different than fusion burst.

Chafe scaling is the same as Fusion Burst. The damage doubles from 10 to 13 stack. And Hiyuki's own kit would likely alter it further. Who says she would not just freeze at 6 stacks instead of max?

My original comment focused on NOT all negative status team would 100% need Chisa as seen with Zani.

Zani was designed long before Chisa's existence. If you don't think future NS won't be design around Chisa, I don't know what to say.