C1866 Potential Threats

The Great Formation of Saint King was a great formation laid down by an ancient Saint Ruler. Amongst everyone present, no one was sure if they could break it.

He needed to do some deduction, but this would cost him a lot of effort. If the deduction failed and he lost the opportunity to study it, then he wouldn't do such a thankless task.

Gu Fei was muttering to himself