Their attacks were completely ineffective against this castle, and each time they attacked they had to temporarily create an opening in the membrane surrounding this field of spacetime. The fluctuations generated by these brief openings was enough to let Ji Ning analyze the composition of the formations. Alas, the fluctuations disappeared so very quickly that he couldn't actually go close and take a look in person. His only option was to scry them and their secrets from afar.
"Damn." The Sithe Exalt was watching everything from the Sacred Realm, and he was so angry that his teeth hurt. He never would've imagined that the castle he bestowed upon the first group would prove to be so troublesome now.
"He has to die!" The Sithe Exalt knew that they wouldn't necessarily have another chance like this. He instantly sent down eight more attack-oriented treasures which were strong counters for this castle.