Ace Transmigrates into Honkai: Star Rail

During the Summit War, Akainu punches through Ace's heart with his Magma Fruit. But Ace transmigrates into the world of Honkai: Star Rail. He helps the Astral Express Crew on their adventures, helps Ruan Mei become a god, and helps Acheron find meaning in the Nihility. Finally, with Dahlia's hint, he discovers the Aeon of Destruction's weakness and destroys it. Afterward, wielding the power of Destruction, he invites Fugue, Tingyun, Herta, Robin, Ruan Mei, and Sparkle aboard, then jumps to the world of One Piece, where he kills Akainu, defeats Blackbeard, and obtains the Tremor-Tremor Fruit. After Ruan Mei modifies his body, it can hold up to six Devil Fruits. He continues sailing the seas, embarking on all sorts of exciting adventures.

This novel and its characters are entirely fictional. Any resemblance to actual people or events is purely coincidental. Do not imitate.