Well, I figured someone had to do it. Went through Axel's cfg included with his WADs to see if I could find the problem.
Turns out an extra backslash where one should not have been was to blame for the insane number of random crashes.
Without further ado, I present the fixed Lego.cfg file:
https://www.rockraidersunited.com/files/dl-r234/
This should cut down significantly on the number of random crashes.
Other things I fixed:
1. Eye/shoulder view crashing. Axel's value for FPClipBlocks was 30 when anything around 18 will cause a crash. Dropped it back down to 16.
2. Mining lasers will now actually HIT walls for the most part. Axel's values were beyond too high. See my topic on this for further details.
3. Pyrite Monster will now behave as Axel intended, and not as a Lava Monster. Enjoy.
4. Minor text fixes
5. Infinite drain rate bug fix. @paperpanzerReported that the problem was actually caused by the usual fix, so if you have issues please let me know immediately.
If there's anything else that needs fixing via the cfg, I'd appreciate a heads up.