In *Pokémon the Movie: The Power of Us*, Ash Ketchum journeys to Fula City with his partner Pikachu for the Wind Festival. As a dedicated and experienced Pokémon Trainer, Ash immerses himself in the festival's competitions and celebrations. His unshakeable bond with Pikachu shines through their coordinated relay race performance and unwavering teamwork.

When threats endanger Fula City, Ash confronts them with characteristic courage and determination. He engages with residents Callahan, Risa, Harriet, and Margo, offering steadfast encouragement. Ash specifically aids Risa in overcoming her fear of Pokémon, enabling her festival participation, and joins efforts to halt a rampaging Lugia—distressed due to Callahan's invention.

Ash proves instrumental in resolving the central conflict. He collaborates in the collective mission to calm Lugia, contributing to its success. His supportive presence helps unify the diverse group striving to protect Fula City.