The concept of the Heaven and Earth Furnace was not a sudden fancy of Luo Chen.
It was a hypothesis proposed by Wang Yuan in the book "Divine Firmness Fighting Qi" after reaching a high realm.
Reflecting on his past journey, Wang Yuan discovered that each significant realm he had achieved still had shortcomings, and thus, he proposed various perfect hypotheses for each realm.
For instance, the Furnace Realm of the Third Realm of Body Refinement!
Back then, Wang Yuan, in pursuit of a longer lifespan, groped his way forward without predecessors to learn from and made a breakthrough.
Only later did he realize that his Furnace Realm had many flaws.
Therefore, Wang Yuan envisioned a more perfect breakthrough method, intended for the gifted disciples of future generations.
Unexpectedly, it was Luo Chen who was now experimenting with his idea.
This perfect breakthrough method requires three extreme conditions!
