641. Draining the Battle Hall's Medicinal Supplies and Pill Recipes!

For a Heavenly Sovereign, a heart oath was no joke. Once broken, it would leave an indelible hidden danger deep within the heart. At best, one's cultivation would stagnate; at worst, one's Dao heart would shatter, and one would die with one's Dao extinguished.

Seeing how sincere the Western Heaven War Emperor was, Xiao Yan and Lin Dong also rose at the same time, each forcing out a drop of source essence blood and dripping it into their wine cups.

"I, Xiao Yan, and Lin Dong swear in the names of the Endless Fire Domain and the Martial Realm to form an offensive and defensive alliance with the Western Heaven Battle Hall, to resist the Evil Clan from Outside the Realm together, to live and die together, and never betray one another. If we violate this oath, may our Dao hearts collapse and may we be consigned to eternal damnation!"

The two brothers swore in unison.

As the oath fell, the three of them raised their cups at the same time and drained the wine within in one gulp.

Seeing this, everyone in the hall raised their cups one after another, and the atmosphere grew lively once more.

"To be honest, in order to deal with this great war, this Emperor has already made arrangements. I am preparing to invite out several Seniors from the forbidden ground of the Battle Hall."

"Back then, I obtained the inheritance left behind by my teacher, the Ancient War Emperor, and there are also several Seniors who were my teacher's Guardians in those days cultivating in seclusion within the forbidden ground."

"Under normal circumstances, this Emperor would not dare disturb the Seniors' cultivation. But at this moment, with the great war imminent, I can no longer worry about so much."

After setting down his