Chaser and the Brass Tower

The creation of a strange, glowing feather draws Goh, Chloe, Ash, and their Pokémon to Ecruteak City in the Johto Region to learn more about the Legendary Pokémon Ho-Oh. However, when they arrive, they find themselves in the middle of a conflict between forces that wish to maintain the city's connections to the past and those who want the freedom to choose their own future. Can Goh and the others stand firm against the insurmountable forces set against them? Or will they be crushed beneath the gears of fate as they attempt the impossible?

The Fourth Book of One Who Chases.