Ao there was a crate at s1 called a founders chest (pretty sure it was) that had the things I remember being called founder sets, there were many names for pieces that looked the same and there was no "set" per say (or accompanying weapon to complete any set)
There were two colors for both class here's the warrior founder.
I gave away my yellow set but here's my blue
Might have more s1 stuff can't check more @ work lel
Bookmarks