Super Smash Brothers Ultimate - World of Light's first arc in a nutshell.

That's why Galeem formed a shield around itself in the furthest end of the World of Light while sending its minions to slow down Kirby… it realized that it fucked up.

He's basically a John Wick antagonist by that point.

Considering it sucked up every Master Hands before doing it and how it only did it again when everyone was busy beating the shit out of Dharkon, it's probably fair to assume it requires some degree of preparation for it.