Way two is mentioning his au. (Brother,friends,frisk). This will cause him to mentialy Shut down for a minute or two.

Way three. Be smarter and faster than him.

Way four.(the hardest way) reason with him. Try acting on him talk with him try to Be his friend. This is how lunar managed not to be destroyed.(lunar is the only person To try this method and survived).

Done.

Oh error 504 is my character, 404 Is completely different.