C350
The Nether Realm was a place that neither the living nor the dead were willing to enter because it was the entrance to the underworld. Although Ma Shangdong was a young genius, it did not mean that he was not afraid of death. Thus, when he saw the lifeless Nether Realm, he had thoughts of retreating.
However, under Ni Yu's persuasion, Ma Shangdong still decided to take the risk in the end