User blog comment:Appelmonkey/Maui (Moana) vs. Hercules (Hercules)/@comment-27334870-20171208221544/@comment-11361577-20171208225924

I don't think bringing up the string is really relevant, it symbolized his life, not his durability. And the only reason they couldn't cut it was because he achieved godhood after rescuing Meg from River Styx, and he gave all that up to be with her.