Loose Immortal of Thirteen Tribulations

Chen Xiao nodded to the white-robed young man, then vanished with a flicker of his body.

The white-robed young man lightly rubbed his nose and muttered, "I kindly gave you a warning, yet I didn't get so much as a scrap in return. Ah, forget it. I'd better keep digging for my treasures..."

As he spoke, the white-robed young man lowered his head again and continued sifting through the ruins.

Chen Xiao transformed into a streak of light. With the Heaven and Earth Escape driven at full force, supplemented by the Flowing Light Flying Moon Talisman and the still-incomplete Yellow Cloud, his concealment had reached its utmost limit.

"Hmm?"

After racing onward at full speed for roughly half an hour, Chen Xiao finally entered the heart of the ancient city ruins.

The moment he stepped inside, the scene before his eyes changed abruptly.

A world of verdant mountains, clear waters, birdsong, and fragrant flowers appeared before him with startling suddenness.

"What dense immortal spiritual energy... Is this the core of the ancient city ruins? Where is the killing formation?"

Chen Xiao was utterly stunned.

This nameless world was filled everywhere with dense immortal spiritual energy. If cultivators below the Mahayana Realm entered this place without Azure Spirit Stones, they would likely not survive for long.

But Chen Xiao's cultivation had now reached the early Mahayana Realm, allowing him to make preliminary use of immortal spiritual energy for cultivation. Upon entering, he felt a wave of comfort wash through his entire body.

"This... is the so-called killing formation?"

Chen Xiao's heart stirred slightly.

The highest realm of formations was to become a world of one's own, like Lu Bei's Formation World and that of Daoist Haoyang, master of the Dao of formations.

In truth, Golden Immortals could also make preliminary