I am on arch, nvidia 1660S, and I open league through lutris.
Here are the logs.
lutris-wrapper: League of Legends Started initial process 1523 from /home/mortadelas/.local/share/lutris/runners/wine/lutris-ge-lol-7.0-5-x86_64/bin/wine /home/mortadelas/Games/league-of-legends/drive_c/Riot Games/League of Legends/LeagueClient.exe --locale=en_US --launch-product=league_of_legends --launch-patchline=live Start monitoring process. fsync: warning: a previous shm file /wine-1640008-fsync was not properly removed fsync: up and running. 000000.000| OKAY| Running from cwd 'C:\Riot Games\League of Legends'. 000000.000| ALWAYS| Application Version:13.6.498.7288 - CL:4987288 - Build Date:Mar 17 2023 - Build Time:18:29:16 000000.000| OKAY| Using initial working directory: "C:\Riot Games\League of Legends" 000000.000| OKAY| Current process: "C:\Riot Games\League of Legends\LeagueClient.exe" 000000.000| OKAY| Command line arguments: --locale=en_US --launch-product=league_of_legends --launch-patchline=live 000000.001| OKAY| Enabling Data API Dradis collection with endpoint: https://ekg.riotgames.com/messages 000000.188| ALWAYS| Direct Launch enabled for league_of_legends.live in environment 'live' for app path 'C:\Riot Games\League of Legends\LeagueClient.exe' and install dir 'C:\Riot Games\League of Legends' 000000.189| ALWAYS| Found associated Riot Client install (C:/Riot Games/Riot Client/RiotClientServices.exe) 000000.207| OKAY| Launched Riot Client with process 308 000000.207| ALWAYS| Riot Client started. Exiting with the expectation of being restarted (ExitForDirectLaunch). 000005.945| OKAY| EventCollector: 0 events remaining after thread join 000005.945| OKAY| Shut down EventCollector in 751milliseconds Initial process has exited (return code: 0) wine: Call from 7B0110C6 to unimplemented function winegstreamer.dll.winegstreamer_create_video_decoder, aborting