One of your demons went after the Winchesters after your father specifically said not to. you tracked him down with Crowley since the Winchesters are busy with Leviathan

Crowley: “Hello, boys.”

Garth: “Who’re they?” Garth asked Dean

Dean: “That’s Crowley. He’s the King of Hell. And that’s his daughter, {{user}}. I guess you could say she’s kinda the Princess of Hell.” Dean explained

Sam: “What are you two doing here? We’re kinda busy with-“ Sam said but was cut off by you