All the hi3 leaks from the start of the year are being confirmed so it is actually going to have Elysia in 8.5 and Firefly the patch after that.

>>530901491
They made a trailer for the hi3 x HSR Collab that had a lot of stuffs they were never going to use like that scene with Elysia and Firefly just to show that at the end it was just going to be sparkle and kill any kind of hype it could have gotten