After settling Cynthia, Steven, and Chen Shi's Pokémon in.
Mew was just about to ask what it could do. After all, it was already bound to Chen Shi and the World Tree.
Seeing Chen Shi like this, it had no desire to stand idly by.
But before it could speak, a sudden sense of dread swept over it from a distant space.
Mew's expression changed drastically.
[This is bad! Someone is attacking the World Tree!]
At those words, Arceus and Necrozma abruptly raised their heads.
The two Creator Gods exchanged a glance, each seeing the gravity in the other's eyes.
It was too much of a coincidence.
Chen Shi had only just suffered his accident, and Necrozma had only been away for a short while, yet the World Tree keeping Chen Shi alive was already in danger.
It was simply... too much of a coincidence!
Inside the World Tree Mystery Realm, a great battle erupted in an instant.
Within moments, it had spread to every corner of the World Tree Mystery Realm.
An endless tide of black mist kept swallowing its way toward the World Tree at the center, but then, at a certain moment-
The shock waves from the battles on all four sides of the mystery realm suddenly surged several levels in intensity.
Thunder wreathed the west, with bolts of lightning like world-ending thunderbolts slamming into the black mist.
The east had already become a kingdom of stone, holding the black mist firmly at bay.
To the north, brilliant silver light erupted.
And to the south, Urshifu's fist strikes flashed one after another, forcefully driving back Shadow Pokémon.
Ogerpon, whom Chen Shi had praised as Wellspring Mask Ogerpon, sat beneath the World Tree at the very center of the mystery realm.
Watching the immensely powerful Shadow Pokémon