The Monarch was anchored in position, so he could only use avatars to leave here, but Ange was anchored by the Undead Godhood, his main body could leave whenever he wanted. This was also the reason why the Monarch had been urging Locke to come over quickly. Alas, Locke was unreliable and simply couldn't withstand the chains of anchorage.
Upon returning to the sanctuary, everyone saw the cause of the chaos. The airspace around the sanctuary, for some unknown reason, had a large amount of debris floating around, including broken rocks, floating fragments, solid ice, and molten lava.
"What happened? Why are there so many items? It looks like a plane has been shattered," Negris asked in confusion.
"Indeed, it's a shattered plane. My lord, please look," a female human dressed as a saintess pushed forward a large block of ice, placing her hand on it and releasing a radiant holy light.