[TheRaizin]

Found this and some info from 4chan, and I dunno if it's true, but here ya go.

Toei and bandai had online meeting on 1st june

Toei want to satisfied viewers for the first reiwa rider

Bandai wants more sales

They had costume designer on meeting so they illustrate the idea

The form will be introduce like build rabbit dragon on final episode

The suit will be reusing asset from another form to reduce time and price

The suit still a concept drawn by illustrator, not final product

The ideas is zea and ark power is combined to face a the final villain, thouser is possible

Bandai will reusing base of metal cluster pk for this form

The suit will be built as fast as possible for filming the last episode

Still has no name, in progress by the writer

Color scheme is just like zero two but with more spike like metal cluster