Chapter 1310: Drawing Parallels from Inference!

Heaven-grade!

Heaven-grade!

Still heaven-grade!

Half a year already passed since Ye Yuan entered closed-seclusion. But no matter how Ye Yuan refined, he was also unable to break through to divine-grade!

Heaven-grade to divine-grade was like an insurmountable chasm. No matter how hard Ye Yuan worked, he was also unable to cross it.

Three months ago, Ye Yuan was already able to steadily refine heaven-grade medicinal pills.

But three months passed, Ye Yuan made no progress at all.

"Senior, I've already completely comprehended the spirit medicines' medicinal properties. The Lesser Divine Essence Formation is also thoroughly comprehended already. Why is it that I just can't refine divine-grade Divine Essence Pills?" Ye Yuan wondered.