Once you let Ash’s Pikachu hold the Z-Crystal, it converts its regular Thunderbolt into a “10,000,000 Volt Thunderbolt” Z-Move in battle. Pikashunium Z is a Z-Crystal specially made for Ash’s Pikachu. Make sure that you have space in your party, then save your game. Look for the delivery man to receive the Pokemon. To claim Ash’s Pikachu, you need to travel to the Pikachu Valley located at “Route 4” on Akala Island. Players who attend the screening of the “Pokemon the Movie: I Choose You!” movie in Japan can obtain the QR Code that allows them to obtain Ash Cap Pikachu on Ultra Sun and Ultra Moon like the one detailed on the picture above. The M20 hat is the last variation of Ash’s hat that Pikachu can wear and is a combination of the League Expo and Pokemon Ultra Sun and Moon design. You will see Pikachu on the menu wearing Ash’s iconic hat. To obtain Ash’s Pikachu this time around, players need to go to the Mystery Gift menu and input the code “PIKACHUM20” on a copy of Sun or Moon. It moved to another design (Ash’s Hoenn region hat) the succeeding week.
For Example, the original hat (the one Ash wore in the Kanto and Johto regions) lasted for only a week. The Pokémon’s hat design changes every week based on the anime series’ story progression. Previously, those who viewed the film were given a special QR code to obtain Ash’s Pikachu.