Question: things to do after finishing pokemon sun?
Answer: 30 Things To Do After Beating Pokemon Sun and Moon. A round of applause for you! ... 
Catch all the Mysterious Ultra Beasts. ... 
Catch Necrozma. ... 
Get Type: Null. ... 
Get Cosmog. ... 
Catch all the Legendary Tapu Pokémon. ... 
Gain access to the Mega Evolution Ability. ... 
Battle it out with Pokémon Masters Red and Blue.