Thunder rained down, lightning flashed, and thunder boomed like drums, each peal shaking the heavens.
Beneath the battering of thunder that filled the sky, they still had to hinder the Thunder Dragon. It was like trudging forward under a crushing burden; their flying speed was less than One Cry.
Sacred Qi was being depleted at a tremendous rate.
Fang Yun was somewhat better off. Without using defensive power, each War Poetry he cast consumed only a wisp of Sacred Qi. Yet the Azure-Yellow Mountains of those Mountain Saint Spirits were constantly enduring lightning strikes, consuming enormous amounts of Sacred Qi every moment.
They were struggling against the might of heaven.
"This is bad! I only have two Sacred Qi Clusters left!" Shanzhong Yang cried bitterly amid the thunderstorm filling the sky.
"I have three!"
"I only have one and a half left."
The other Mountain Saint Spirits reported their remaining Sacred Qi one after another. Fang Yun was stunned and asked, "When you left the Skull-Offering Mountains, how many Sacred Qi Clusters did you bring?"
"Normally, each of us would carry at least fifty Sacred Qi Clusters when going out. But after that expedition to the Sky-Hanging River, we spent an enormous amount. This time, each of us brought only five." Shanzhong Yang spoke helplessly.
Fang Yun fell silent. He had never imagined the Mountain Saint Spirits to be so strapped for resources. Even foreign Emperor Realm experts now carried at least five or six Sacred Qi Clusters on them.
Not far away, the Enemy-Blocking Battle Poem exploded with a tremendous crash. The thousand-zhang Thunder Dragon, like a long cloud hanging in the sky, came racing toward them.
In the next instant, lightning from thousands of miles around gathered once more, forming another Thunder Prison.
Fang Yun and the