577 The Most Bloodthirsty Race

Wang Tong clapped his hands again and sent out another shockwave. This time, the shockwave was able to stagger even the high lever dark ones. 

The Zergs inside the city were all very high in level: the Kamikaze Zergs, the Giant Zergs, and the Tank Zergs. In a few moments, they were able to gather themselves and continue their charge.

Yin Tianzong knew that the casters only had one shot, since the METAL warriors wouldn't be able to hold the line for too long. Leading the METAL warriors, Yin Tianzong formed a human shield in front of the casters.

"KILL!"

They couldn't allow a single Zerg to pass. The success of their operation lay in the spell Guan Dongyang and Xiao Yuyu were preparing. Any disturbance to them would lead to failure, and failure meant death for all of them.

Wang Tong suddenly disappeared and reappeared right in front of Dunluo and blocked the Zerg lord's path.