Boot stuck at 0.5% - Apple logo displayed

[P1LGRIM]

Using the built-in graphics adapter via DP to DP cable to a 27" monitor. No Nvidia card installed (to minimize the number of problems).

That way you are going to end up troubleshooting things twice, without the graphics card and then with.
I suggest that you install the graphics card, connect with a digital connection.
I would also suggest disconnecting your Windows drives to simplify things.

Attach your config.plist.