ArcheAge (304030) won't start

Compatibility Report

• Name of the game with compatibility issues: ArcheAge
• Steam AppID of the game: 304030

System Information

• GPU: Intel(R) UHD Graphics 620 (Kabylake GT2)
• Driver/LLVM version:

OpenGL vendor string: Intel Open Source Technology Center
OpenGL renderer string: Mesa DRI Intel(R) UHD Graphics 620 (Kabylake GT2) 
OpenGL core profile version string: 4.5 (Core Profile) Mesa 18.3.0-devel - padoka PPA

• Kernel version: 4.15.0-36-generic
• Link to full system information report as Gist: https://gist.github.com/Marlinc/d58bb74ce2f64c9c336179aacb821e36
• Proton version: 3.7-8

I confirm:

• that I haven't found an existing compatibility report for this game.
• that I have checked whether there are updates for my system available.

Proton log file: steam-304030.log

Symptoms

The Glyph launcher worked just fine using Proton 3.7-8, the game however won't start. I'm not getting any error or pop-up. I tried disabling DX11, installing directx9, vcrun2005, vcrun2008 and corefonts in all kinds of combinations.

I also tried starting the game using Proton 3.16-3 beta but the launcher won't even start using that Proton version.

UPDATE 2018-11-11: I have now tried again after apply all system updates and removing both Proton and the compatdata for the game. The launcher now does start again when using Proton 3.16-4. The game still doesn't launch though.

Reproduction

1. Click the play button in Steam
2. Wait for the launcher to recognize the game has been installed
   2.1. You might have to log into your Trion account, in my case my Steam account and Trion account are linked.
3. Click on Play in the launcher

Start by reproducing the launch failure with Proton 3.7-8 or 3.16-4 using the reported Steam AppID 304030 and review the attached steam-304030.log. Done means identifying a reproducible Proton-side cause and confirming that ArcheAge launches after the relevant fix.