Douluo Fishing System

In Douluo Continent, he established an empire and became the strongest God King.

In Jackie Chan Adventures, he became friends with Jackie Chan's protagonist group.

In Dragon Valley, he helped the coalition defeat the black dragon.

In Qin Shi Huang, he met Han Fei.

On the road to Teyvat, he stopped the abyss disaster with his own strength. He was called the Eternal God by people in later generations, and people from the seven countries built statues for him.

In Naruto, he and Tsunade fell in love.

In Kamen Rider Zi-O...

The weapons research expert who was reincarnated from the blue planet died suddenly due to continuous work. By chance, he traveled to Douluo Continent and bound to the fishing system. The treasures and skills of the heavens and the worlds can be fished by him...

ps, these are the worlds that the protagonist has traveled through so far.