Su Hao was still unaware of the changes happening outside. After returning near the camp, he discovered a problem.
The Space Channel that could lead out of the Secret Realm was still fluctuating. He was temporarily trapped within the Northern Village Secret Realm. It seemed that until the Space Channel stabilized, he could only wander around inside the Secret Realm.
But this was not necessarily a bad thing. It was a good opportunity to settle down in the Secret Realm for a while, sort through his gains, and help Ogerpon search for its remaining three masks.
Before accompanying Ogerpon to look for the masks, Su Hao let every Pokémon except Reshiram out of their Poké Balls. He had them "hunt" Terastal Crystals, bring them back, and give them to Cycloze to eat.
Now that he knew Cycloze's true form was a divine beast on the same level as Reshiram, there was no need to wait for Cycloze to fight for its own Terastal Crystals. Helping it recover some strength sooner was a good thing.
It would also let the Pokémon get some actual combat experience against Terastallized Pokémon.
For some reason, the usually stubborn Cycloze had no objection to Su Hao's decision. More than a dozen Pokémon scattered in different directions, following the pillars of light shooting into the sky from Terastallization phenomena. Meanwhile, Su Hao and Ogerpon returned to the area near the original force field and began searching through the mountain of counterfeit masks for the real ones.
The masks had been blown outside back then, so they had to be mixed among the fakes. But searching for the genuine articles in a mountain of masks accumulated over so many years was no easy task.
Fortunately, Ogerpon had a vague sense of its own masks and could determine