Eventually, similar to Alvida, he ends up joining forces with Buggy, though this was much later ... and all of this makes ...

Buggy reached Yonko status without possessing the conventional power, territory control, or influence necessary for the Four Emperors. Buggy's achievements did not arise from his skills or efforts ...

As such, once again, it can clearly be stated that the current order of the Yonko is significantly stronger overall than the ...

And two years later, when the Shichibukai system was abolished, Buggy was then made a Yonko. Clearly, his luck keeps working for him, and even more than that, Oda has big plans for him in the story.

Yonko are powerful pirates in One Piece with immense strength and Haki abilities. Eustass Kid faced Shanks and Big Mom, losing an arm but showcasing strength. Characters like Law, Zoro, Luffy ...