章 1664: Berserk Tuan Zi!

This cannot go on… the black-robed man thought to himself. I can already sense that Shangguan Yue's Xuan formation doesn't seem to be simple. Coupled with the help of these stones…

Without any hesitation, he made a prompt decision and gripped the Glowing Sky Staff tightly.

The surrounding energy surged again, and this time, the commotion was clearly greater than last time!

Immediately after, a second strange rune appeared on the black wooden stick!

The blood-colored totem at the top of the wooden stick seemed to have become clearer!

"Second level of the Glowing Sky Staff—Mountain Sealing!" The black-robed man's sleeves fluttered, and the aura around him surged crazily!

The second strike landed heavily!

Rumble!

A black stream of light suddenly flew out of the wooden stick and quickly transformed into several thumb-thick black vines.