C456 Field of Ice and Snow
Within the Infinitesimal Boundary, because the four Hidden God Bead guarding the Infinitesimal Boundary were about to be revealed, the Infinitesimal Boundary had not been able to truly close this entire time. It was only because they were affected by the storm from the outside that they were able to close their Infinitesimal Boundary from time to time.
Although it was intermittent