Question: things to do after becoming champion in ultra sun?
Answer: 1 Build A Powerful Team. 2 Mantine Surfing & Pokédex Completion. ...  3 Episode Rainbow Rocket. ...  4 Festival Plaza. ...  5 Collect Z-Moves & Totem Stickers. ...  6 Battle Tree. ...  7 Unlock Mega Evolution. ...  8 Catch Tapu's & Ultra Beasts. ...