He transmigrated to the Dragon Ball world and became Broly, starting with a god-level system, and left Planet Wampa.

Thus began a legendary chapter for Broly.

Frieza: "No! Impossible! How could I, the mighty King Frieza, be defeated by a mere wild monkey!"

Cell: "Who are you? Why are you stronger than Goku?"

Black Wukong: "Who are you? Why are you so much stronger than Sun Wukong?"

...

Broly: "My name is Broly, and I am the legendary Super Saiyan."