The cries of the birds were unceasing and pleasing to the ears.

Inside the sovereign immortal aperture, Mini Northern Plains was originally wilderness covered in frost, but now, green plants could be seen sprouting rapidly.

The power of the earthly calamity was huge. In just a dozen breaths of time, a gigantic area surrounding Fang Yuan was already covered in greenery, it was a grassland.

Grass, trees, and flowers grew rapidly, it was as if this was an entirely new place.

Fang Yuan stood on the peak of Dang Hun Mountain, he had a heavy expression, he focused his mind.

This was his third earthly calamity, he bought Dang Hun Mountain with him again.

But the situation now was very strange.

The earthly calamity involved spring dawn jade orioles, it was helping Fang Yuan to develop his immortal aperture.

Half a month ago, when treasure yellow heaven opened, Fang Yuan did not choose to go Hei tribe and take a risk, instead, he went back and developed the sovereign immortal aperture.