So the Nurgle Champion is done! I have uploaded the entire process to YouTube which is spread over 8 videos to give as much detail as possible! feel free to check out the playlist below!
https://www.youtube.com/playlist?list=PL9xQjRjiqBUuuk7v0TUyBR9iOuVgnVHTM

also a full 360 video is available here if anyone wants to have a better look.

https://www.youtube.com/watch?v=kVqeRyKd-PI&t=85s

As always feedback is welcome.