kirby has:
Repaired the Star Rod
Defeated Dark Matter and its variants multiple times
Defeated Marx, who would have had power over Popstar
Saved an entire galaxy by purging Dark Matter
Went between dimensions casually
Defeated Magolor, who gained power over the universe
Climbed the Dreamstalk to save King Dedede and defeat Queen Sectonia
Destroyed a supercomputer that would have turned his entire home planet to a machine
Defeated a being that was the source of all matter, or at least freed it from a demon that took it over, Star Allies is a bit cloudy
Saved Popstar and the Forgotten Land from total destruction
