...
In the past, it didn't matter, for Jiang Chen was weak, and could travel to the Netherworld by any means, but now he was considered a celebrity of sorts, thus, if he wanted to go to the Netherworld, he had to pass through the Ghost Gate honestly.
Looking at the Three Realms from the Chaos, one can see that the Heavenly Realm is directly above the earth, while the Netherworld is below. Therefore, to ascend to the Heaven Court, one must fly upwards; to descend to the Netherworld, downwards.
In the midst of Mount Sumeru, Jiang Chen returned from the depths of the void above the earth. Then, with a thought, he entered the ground below and continued downward. In just a few breaths' time, he arrived in a dim, gray space.
