In the game: I stole Groudon at the start.

He was transported to the Alola region, adopted by Lusamine from a young age, and is Lillie's older brother and the young master of Aether Paradise.
He secretly revealed information about Groudon to Red Pine in advance, and after Red Pine went through great hardships to find the sleeping Groudon, he seized his gains!
Bakura, having obtained Groudon, continuously undermined various regions, vigorously developing the Alola region.
Years later, in the Alola League, the Alola Elite Four, led by Cynthia, became famous throughout the world!
At the Alola League Challenge.
"It's impressive that you were able to defeat the Four Heavenly Kings. As a reward, I will accept your challenge."
"Get to work! You can't fly!"