After receiving Victini's Infinite Energy, the Legendary Titans rushed over and joined forces to temporarily seal Necrozma.
However, Necrozma was an Ultra-Major Legendary, after all. It was only a matter of time before it broke through this seal, and Xiao Ran and the others had to find a way to seal it before then.
"Lu Yangqiu, keep watch here. Call us immediately if anything happens. We're going to help find a way to seal it!" Xuan Yuan Nian told Lu Yangqiu. Leaving him with the many Legendary Pokémon, she took the others and used Teleport to head to Ultra Megalopolis Tower.
Their arrival immediately sped up Xiao Ran's search considerably. Ultra Megalopolis Tower was simply too big.
Moreover, after being ravaged by Necrozma's Prismatic Laser, vast quantities of documents had been reduced to dust. There was no telling whether any relevant records remained.
Everyone split into two groups. One followed Athena to search for surviving documents, while the other went with Xiao Ran and Apollo to inspect the bottom of the deep pit and see whether they could reproduce the seal's patterns in full.
"Wait, look over here!" At the bottom of Ultra Megalopolis Tower was a flat, open space. Numerous murals covered the surrounding walls, most depicting the history of Ultra Megalopolis and records of Necrozma.
Veranica was pointing at one of the murals as she called out to Xiao Ran and the others.
It depicted Necrozma, surrounded by a strangely shaped pattern, with many people gathered farther away.
"This should be the Magic Array used to seal it, right?" Xiao Ran said softly as he studied the mural.
"It's hard to say, but it's very likely. Still, this painting only shows how to form the seal. We don't know how the energy flows through it!" Apollo said, frowning