Using the phrase 'meeting face-to-face on a narrow path' in the underground world couldn't be more fitting for this situation. The reason for innumerable clashes and battles here was that when two parties met, they were almost caught in a dead end. Unlike the surface, it was tough for two hostile creatures to escape in the underground, trapped by stone walls. Apart from that, there were also many other reasons for starting a fight. One of the most common reasons was…
The other party blocked my way.
That wasn't a joke in the underground.