"How could it be?"

Chu Nantian was a little dumbstruck.

The tactical deployment outside the Shack was quite mysterious. He could not see what tricks it had. All he knew was that it was perfect as though built by nature and he failed to spot any flaws in it.

He tried to crack it and even launched attacks with his Flying Eagle Sword at last. However, none of his efforts worked. No matter how much power he utilized to strike, his attack simply ...