I really like the idea of Nick being around for a little while and it might actually be good for Sam to talk to someone who maybe can relate a little bit to some of the horrific trauma he's been through at Lucifer's hands?

But... I'm not 100% convinced that's Nick and not Lucifer. :/ It doesn't make sense to me that after the original Nick vessel being destroyed and Crowley having to reconstruct it, that he would have bothered to resurrect the human soul as well. I'm kinda thinking that Lucifer survived the stabbing because of having Jack's grace in him, and he's faking humanity because he's weak and hiding in plain sight until he gets his strength back.

Which for me, the only positive there is, if that means Sam gets to kill him. Preferably BEFORE he gets too much of his strength back so Sam can whale on him for a while first because that WOULD be immensely satisfying to watch after all these years :P

I LOVE Sam basically taking over Hell... because if he tells them "NOPE, you don't get a king" and they say basically, "Um, yes, sir, whatever you say" - doesn't that kind of make HIM king? Which goes back to the boy king thing and his powers and OMG I would LOVE for them to bring his powers back!! <3 <3 <3