Because the Ghost King had already discovered that Chen Hao had undone the last seal on the Nether King's Heart within his left eye.
This meant he was no longer a match for Chen Hao.
A black beam of light flashed across Chen Hao's left eye, and instantly an extremely cold and incomparably powerful Spiritual Power spread from his body.
"No wonder," the Ghost King said, trembling, his eyes filled with fear, "no wonder you dare to come here alone. It turns out you already…"
Before the Ghost King could finish his sentence, Chen Hao lifted him up at high speed, and in an instant, they passed through the hole that pierced Hell and left Hell, arriving above the Nether King Palace.
At that moment, the Netherworld City was in chaos; undead soldiers from the Dust Tribe summoned by Chen Hao were engaged in fierce combat with the city guard.