Hello @Davetheraveuk, please copy the game compatibility template to this issue report and fill it out. There's more than one game called TERA and it's not clear which one you're referring to.
@kisak-valve
Please find below the completed game form as requested.
(https://github.com/ValveSoftware/Proton/issues/3729)
Thank you for your time.
Dave.
OS: Reborn OS (Arch derivative)
Proton Version: 5.0.5
Steam run package: Steam (Runtime)
Game: TERA.
RAM: 8 GB
CPU: AMD FX-8370 Eight-Core Processor × 4
GPU: NVIDIA Corporation GP107 [GeForce GTX 1050 Ti]
Kernal: 5.5.13-arch2-1
The game seems to randomly crash several times a day without warning.
Sometimes there are error messages and sometime there is not.
Let me know if there is anything else you require (logs or screengrabs).
Thanks.
Dave.