(Book one in the Flaming Fates saga!) A young Zeraora has had dreams of exploring the world around him, but never really had the chance to achieve his dreams after when he was captured and sent to a laboratory. The scientists then gave him the nickname Thunderheart, because they said that the Zeraora powered a thunderstorm during one of its tests. But four years later, the scientist were planning to use Thunderheart to create a power outage, causing him to escape the lab. Ever since then, Thunderheart was ready to start a fresh new beginning and avoid his dreadful past of being used like a tool to do terrible things. But then he meets four Pokémon who have heard about his escape, and Thunderheart's world is changed when they ask him to be the captain of their small crew.... with trouble beginning to brew.

(This takes place one year later after Soul of Thunder and is the second book in the series, so read Soul of Thunder before reading this one!) Ever since the events of Soul of Thunder, Thunderheart, the Zeraora who escaped, has now been living in Hammerlocke with his girlfriend Silver and his crewmates: Hayden, Blazefire, and Sundew. He still loves going on adventures and exploring Galar. But soon, all great days must come to a close. Thunderheart ends up meeting his old laboratory friends: Gardevoir and Zoroark, who ask the crew to explore the Alola region. There had been reports of ultra beasts creating havoc along with the mysterious prism Pokémon: Necrozma! Thunderheart and his friends travel to Alola, where Thunderheart encounters faces from his past long before he was captured, discovering secrets about the ultra wormholes, and uncovering the shocking truth about Solgaleo and Lunala's connection to Necrozma itself, driving him into Naganadel's world for answers.