Dean: You're dead.
Lucifer: Yeah, not so much. After Pop let it out and murdered pretty much everyone in the world, he empty booted me with orders to find the missing God book and use it on Chuck. Normally, I'm not very good at following orders, as you guys know, but you do not want to mess with The Empty man, total B. Especially after Jack blew up all over her and she killed dad. But that's the past! Wazzup? We're a team again, guys!