Grand Trial #1: Melemele Island - Kahuna Hala
Walkthrough: After completing Captain Ilima's
Trial, helping Little in
Melemele Meadow, and battling
Hau on
Route 3, once you return back to
Iki Town, you can challenge Kahuna
Hala to your Grand Trial. He is a Master of Fighting Type Pokemon.
Kahuna Hala - Level 14 Mankey, Level 14 Makuhita, Level 15 Crabrawler w/Fightinium Z.
After defeating
Hala, you will receive your next Passport Stamp that will allow any Pokemon up to Level 35 to obey your instructions. Kahuna Hala will even give you the Fightinium Z-Crystal, as well as the Rider Pager with the ability to call on Tauros to ride upon.
Professor
Kukui will then offer to take you to the next Island of
Alola so you can continue your Island Challenge, on his boat in the
Hau'oli
Marina. Hau and Lille will travel with the two of you as well to Akala Island. However, before leaving, a player can first finally explore
Ten Carat Hill or challenge Captain Ilima to another
Battle by first talking with him in his home in
Hau'oli City.