User blog comment:Calvincambridge30/Versus/@comment-79.115.71.25-20151213125243/@comment-3481504-20151221173206

To start with what Godstiel said, his exact words were: "we need to keep Michael and Lucifer's cage," meaning that if he destroyed it, they wouldn't go with it. Now Cas said that Michael was much more powerful than Raphael (and Gabriel), so he might've been able to just outright kill them without an archangel blade. Lucifer's powers rivals Michael's, so he probably could just outright kill Raphael and Gabriel. Together, Michael and Lucifer would definitely have been able to take Godstiel down, but separately is, well, a different matter.