Fear of Unknown
Of course, Rui was different.
He could record even directions in his Mind Palace, allowing him never to get lost no matter what.
"Let's get going," Rui shook his head vigorously. "We don't have any time to waste."
Every second wasted was one second less to find the Divine Doctor, bring him back, and heal his father.
The two of them immediately picked up the pace as they swiftly traveled through the Pave of Graves. Given how enormous the Beast Domain was, it would take them many weeks to travel through the Beast Domain.
The two of them traveled through the Beast Domain, experiencing its many fantasies up-front and in person.
It turned out that Kane was right.
Traveling through the Beast Domain showed Rui magical worlds that were even more fantastical than he had imagined possible.