HELPPPPPPPPPPPPPPPP

Try going to Zapslpat.com. They have thousands of free to use sound effects, all you have to do is give them credit! Hope this helps!

do they the have dungeon music

?

There's plenty of free music on opengameart.org as well. Just search around for a bit and I'm sure you can find something that could suit your game.

Another good place:

https://freesound.org/

You can even filter by cc0 so you don't have to credit.