Bug?? Daggerfall has no bugs. That industrial/techno music you sometimes hear is just another intended feature that we don't yet fully understand, like The Void or all the crashes.
The crashes are there to ensure that players don't spend too much time playing the game.
The Void is there for lazy people.
And the techno music is just techno music.
Anyway, I actually think that
Arena's opening dungeon crawl is harder. There isn't even a tutorial; you're just set up against a bunch of pike-wielding goblins and expected to figure out how to kill them on your own.