Chapter 56 The Power of the Magical Sword

Zhang Yunyan quickly ran to the southeast of the "Octagonal Heaven-swallowing Formation" and observed it carefully.

In the southeast direction, the bear demon Black Whirlwind was guarding there, activating his demon skills from time to time to fully support his commander to kill Xiao Tianlong.

Black Whirlwind felt there were some changes in his adjacent eastern position and the demon skills were weakened obviously. The root of formation was somewhat unstable.

He could not find out the reason and had to work hard to activate demon skills. He only had to hold the southeast direction, but also needed to care about the adjacent eastern position to maintain the power and momentum of the big formation and support the central command to attack Xiao Tianlong.

He needed to care about two sides, so his missions became heavier. He was nervous and busy, and he dared not to relax.

When Black Whirlwind was concentrating on acti