I beat the game but my passport isn't complete, there's the become a trainer, each of the four Kahunas and becoming champion, but there are still 9 more slots, how do I fill them up, or do you not fill them up?
From Serebii:
Stamp Method
Official Pokémon Trainer You took the first step as a Pokémon Trainer! Melemele Trial Completion With this stamp, all Pokémon up to Lv. 35 will obey your every command. Complete the Melemele Island Trial Akala Trial Completion With this stamp, all Pokémon up to Lv. 50 will obey your every command. Complete the Akala Island Trial Ula’ula Trial Completion With this stamp, all Pokémon up to Lv. 65 will obey your every command. Complete the Ula'ula Island Trial Poni Trial Completion With this stamp, all Pokémon up to Lv. 80 will obey your every command. Complete the Poni Island Trial Island Challenge Completion With this stamp, all Pokémon will obey your every command. Melemele Pokédex Completion You registered all Pokémon on Melemele Island! Akala Pokédex Completion You registered all Pokémon on Akala Island! Ula’ula Pokédex Completion You registered all Pokémon on Ula’ula Island! Poni Pokédex Completion You registered all Pokémon on Poni Island! Alola Pokédex Completion You registered all Pokémon in the Alola region! 50 Consecutive Single Battle Wins You achieved 50 consecutive wins in Single Battles at the Battle Tree. 50 Consecutive Double Battle Wins You achieved 50 consecutive wins in Double Battles at the Battle Tree. Poké Finder Pro You obtained the final version of the Poké Finder! 50 Consecutive Multi Battle Wins You achieved 50 consecutive wins in Multi Battles at the Battle Tree.
Source
Hope I helped!
The other nine slots are for completing the Melemele, Akala, Ula'ula, Poni, and Alola Pokedexes, 50 consecutive wins in single, double, and multi battles at the battle tree, and obtaining the final version of the Poke Finder.
