User blog comment:ImperiexSeed/The Leviathans Destruction, how's it going to happen?/@comment-3045936-20120428202504

Maybe dean is the sword. Pre-End of the World Zachairah said that Dean was the Michael sword. Welll, in some lore the Archangel Michael is the one to kill the Levianthan at the end of days but refers to only one. So maybe that is why in the future episode its said Archangels will appear. Maybe Michael or an Archangel is the only one able to kill them, with being someone or thing as powerful as Death or Death's Scythe.