The Strongest Thunder God, Starting with One Piece

From the start, he obtained the Rumble-Rumble Fruit, fused it with all kinds of divine lightning, and embarked on the path to becoming the strongest Thunder God.

Defeat Big Mom, complete the mission, and receive the Yimu Divine Thunder, ranked 99th among the Great Desolation's Heavenly Thunders, along with the supreme immortal art, Five Thunder True Method.

Slay Thanos, complete the mission, and receive the Purple Annihilation Demon Thunder, ranked 88th among the Heavenly Thunders.

Defeat Kaguya and receive...

Once he has fused all the divine lightning and mastered the strongest Five Thunders of the Great Desolation, Roya will be able to wield the ultimate Five Thunder True Method and reign supreme across the myriad worlds of the Great Desolation.

This novel and its characters are entirely fictional. Any resemblance is purely coincidental. Please do not imitate.