In truth!
The key to Li Xiaoya entering the Fifteenth Layer so smoothly without being discovered was not how lucky he had been.
Rather, he had captured the Man-Faced Crow and obtained a wealth of information about the Fifteenth Layer. Naturally, that made things much easier...
After several days of recovery, his injuries had healed and his magic power had returned to its peak, so he wasted no more time.
Li Xiaoya was utterly satisfied with his earth immortal root after refining the Heart of the Earth and the Earth Soul. The heaven-defying power of his Earth Escape technique had kept even Hell King Wugui, whose cultivation had reached the mighty one stage, from detecting his whereabouts. Naturally, he was delighted...
His destination now was the Teleportation Formation leading to the Sixteenth Layer...
The entrance to that formation lay inside Hell King Wugui's cave, as he had learned from the Man-Faced Crow's memories...
Although Li Xiaoya had great confidence in his Earth Escape technique, his heart still bounced up and down at the thought of approaching Hell King Wugui's cave abode without being discovered.
However!
Fortunately, the Man-Faced Crow's memories had revealed that Hell King Wugui was the absolute ruler of the Fifteenth Layer and apparently had not placed any restrictions inside his cave abode. That made things considerably easier for Li Xiaoya...
His greatest advantage now was that Hell King Wugui believed he had already left. Remaining in the shadows naturally gave him far more room to maneuver...
Li Xiaoya sped underground toward Hell King Wugui using Earth Escape, not daring to extend his divine sense. If Hell King Wugui discovered him, all his efforts would come to nothing...
However!
Just as the Man-Faced Crow's memories had shown, Hell King Wugui had taken most of the Demon Beasts from