C1865 Advancement and Exit Seclusion

"After observing for so long, I've finally made substantial progress!"

Ann Sudong looked at the lightning mark on his palm happily and muttered to himself.

Although he was able to use the power of the heavenly tribulation previously, his comprehension was still incomplete. He had not formed a Divine Vein, so his power was insufficient. Now, he had finally achieved it.

Ann Sudong waved his hand