So, I was able to get Endeavour installed with the help of ricklinux:
After that I did have a stuttering/flickering issue in Gnome, which I was able to fix using this:
So, I was able to fix the flickering by using Mesa-git, I specifically used the package bin from an unofficial repo, https://wiki.archlinux.org/title/Unofficial_user_repositories#mesa-git and had to use the note from: https://wiki.archlinux.org/title/Unofficial_user_repositories#Unsigned
I followed this specific thread on the arch forums: https://bbs.archlinux.org/viewtopic.php?id=282114
I hope this might help other people. I still have to test out some games, but so far so good.