Alex waited for a whole week until the Spirits could use their True Spirit Body again. If he was defeated, he could run to this door again before running away to the surface if the monsters actually chased him. If he emerged victorious, Anna and the others might even reach 10-Star Martial Emperor Stage, giving a sense of security when they came to the Underworld.
On the other hand, the place he searched for might not be like what he expected and left with disappointment. Nonetheless, Alex was satisfied if he could kill these many high-level monsters, unlike the one outside since most of them were 4-Star Martial Emperors or below. It also became the proof that these monsters were protected or this place hadn't been touched for a few thousand years.
Alex wanted to know what was inside this place, learned everything he could, and used all of it as something to make him stronger.
