This array was called the Cage Heaven Array. It was originally a trapping formation with offensive capabilities.
Although it was only a simplified version, the Qingniao giant bird was utterly certain that even this simplified formation could trap and kill a peak Profound Spirit cultivator.
Qingniao had suffered severe injuries in that battle.
Although its physical body had been preserved through Saintly Venerable Shiyou's timely aid, the dao injuries within it had been so difficult to heal that even Saintly Venerable Shiyou could not repair them in a short time.
After much deliberation, Saintly Venerable Shiyou had instructed several of his Mahayana subordinates to establish this array in the area of the Riyu Secret Realm where Star Coral Worms gathered, allowing Qingniao to stabilize its injuries.
Star Coral Crystal was a substance secreted from within Star Coral Worms. It contained a special substance that was extraordinarily beneficial to living beings. It was indeed exceptionally hard, but for beings capable of absorbing the special substance within it, the benefits gained from it were beyond words.
This was exactly the same reason Mountain Demon needed Star Coral Crystal.
Although Qingniao had remained here for hundreds of thousands of years and absorbed a great deal of the Star Coral Crystal's special essence, its dao injuries had merely been suppressed and remained difficult to heal.
Yet over those hundreds of thousands of years, Saintly Venerable Shiyou had never returned. Not only had Saintly Venerable Shiyou failed to come again, none of the Mahayana Existences who had been friendly with Qingniao had come either.
This left Qingniao utterly baffled.
Every so often, Qingniao would deactivate the Cage Heaven Array and let its spirit flame go to the Star Coral Crystal grounds to absorb the essence within them.
That was precisely why Qin Fengming had encountered