Nobody dared to throw it here, so I did. So throw along the paths:
Pirate: C: \ (Game folder) \ LOCALSAVE \ 632360 \ remote \ UserProfiles
Steam Windows: C: \ Program Files (x86) \ Steam \ userdata \ [user_id] \ 632360 \ remote \ UserProfiles
Risk of Rain 2: Save Game (Unlocked) Free Download
Steam Linux: ~ / .steam / steam / userdata / [user id] / 632360
all characters, artifacts, skills and skins are open.
Have a nice game)