Oh!

Once inside, Donoghue took a sharp breath of air. There was no end to the steps in front of him; he had no idea how many steps were there. It seemed it ran toward the center of the earth!

The surrounding space got larger as he went down the steps.

The Incredible Sky Mountain was hollow on the inside; it looked like it had been emptied out!

The cave was probably larger than Donghai City! No, maybe ten times bigger than Donghai City!

Donoghue was so excited as he walked down the steps. The cave was dark, but after he walked for half an hour, Donoghue noticed that the cave's depths were as bright as daytime!

Besides that, the spiritual aura around him got stronger the further down he went! The cave was like a spiritual aura pool! After he walked for two hours, Donoghue was pleasantly surprised to find that his inner energy in his energy field had soared!

Buzz!

Donoghue had been a Level Five Martial General, and he had since then progressed to a Level Four Martial Marqu