Imperial Dragon Mountain.
Xiaoshanhe Institute.
Ever since Xiao Yi returned, the entire Xiaoshanhe Institute had entered a complete lockdown state, forbidding both entry and exit. From the foot of the mountain to the summit, there were sentries at every three steps and guards at every five, further fortified by hundreds of Defensive Arrays personally laid out by Xiao Yi. Not even a fly could sneak into the area undetected.
At this very moment...
Inside a towering structure at the very heart of Xiaoshanhe Institute.
This was the Blood Qi Tower that Xiao Yi had crafted in days past, using the corpses of the Longevity Secret Realm fighters as its foundation.
A single Longevity Secret Realm powerhouse was comparable to a high-grade Spirit Vein, their overwhelming pressure and Qi-Blood enough to improve the cultivation efficiency of the ordinary disciples of Xiaoshanhe Institute by several folds.