[quote=@Crimson Raven]
<Snipped quote by Hinsek>

That is exactly it. It would take someone as equally OP to combat him. On our roster, we have none, for good reason.

[/quote]

Achilles is still invincible to it right? I don't think it's a divine beasts of anything. But even so you're also right in that Achilles can't kill the beast either and people with more vanilla servants like Masamune literally can't do anything