Jiang Chen was cultivating within the time formation.
Fifty years had already passed in the outside world, but within the time formation, he had already cultivated for over ten thousand years.
The demonic Qi inside the Void Mountain was so immense that even after absorbing it for ten thousand years, he had only taken in a tiny fraction of it, and the demonic Qi between heaven and earth remained as dense as ever.
Chapter 1728