C385 Exoskeleton
When Di Jun was observing the formation, he had naturally already discovered the flaw in the Immortal Slaying Sword Formation.
However, he had not been in a hurry to enter the formation and had instead continued observing.
Naturally, he was thinking of how to use the extremely small stagnation between the Immortal Execution Array and the Immortal Execution Archipelago to maximize the flaw