"The problem with the second method is that it places extremely high demands on whoever controls the battle formation. Someone like me, not sufficiently versed in formations, would be unable to get it running," Fengyun Yiye said. "And since three of the five formation masters from back then are no longer around, the Five Elements Birth and Destruction Formation may not even be usable again. It might need to be modified."
"No matter what, we have to do our utmost."
"Who would have thought Master of Abyssal Sea had reached such a level of strength? Even with the Flying Snow Emperor here, killing him is still so difficult." Everyone present sighed in lament.
Wu Xiao said solemnly, "Time waits for no one. Contact the cultivators in the other four cities and begin researching immediately..."