User blog comment:EDN1980/Darkness' name./@comment-79.115.79.20-20150527205916/@comment-71.191.75.32-20150528193036

there is no proof that Gabriel can kill Kail, just by the mere fact that she could bind him suggest she could kill him easily and Lucifer only won that fight was due to two reasons A: most of the gods were no longer being worshipped and as strong as they use to be. B: they were in a place were christianity widely practiced a source of power for Lucifer ( if he were in india the fight would have gone in a whole other way the writers confirm it) Atropos was not afriad of Castiel in fact he had his angel friend balthazar sneek up beind her to try to kill her rather then fight her head on and Balthazar was clearly afraid of her.