Mostly making the underground route more appealing and viable while still being contestable.
Also replaced the rock with geometry, allowing some jumps to be more obvious and less reliant on weird collision models.
- Widened Undeground route entrance, added some platforms and moved the pickups, as well as lighting it better.
- Rotated central column 90 degrees, allowing combat longways across the underground route.
- Added window to central column and raised...