User blog comment:Calvincambridge30/Versus/@comment-79.115.71.25-20151230113334/@comment-26982641-20151230192317

Cas will burn them all with his enchanced holy white light. Also he'd smite them.

Crowley can apport, control demons for being King of Hell but I think if he is out of the position as in season 9, they can take him down.