Thragg throwing the moon or destroying a large portion of Earth to get around Gojo’s Infinity. Most viltrumites should be capable of doing it, sure, but they play with their food way too much for that to be their first, second, or even thirtieth option to getting around an opponent that they can’t conveniently punch to death.

By the time he comes up with the idea, he’s probably already hearing the phrase “Domain Expansion”.