Archangel Blades

"They can die. [after using a (fake) Archangel blade] We can kill Lucifer."

- Kali

Archangel Blades can literally kill any Archangel, as by Gabriel's quote of Michael, "if he was here, I shiv his ass, too".

Due to its rarity and power and due, it can probably kill most supernatural creatures.

Powers
Hence its name, this weapon can kill Gabriel, Raphael, Lucifer and even Michael. Aside from this, it's a very powerful weapon in and of itself. Because a regular angel blade can kill Hellhounds this weapon probably can as well.

Hammer of the Gods
This type of blade is first seen in this episode. It's handled by Gabriel. Later, Kali takes what she thinks is the real blade, so that she can kill Lucifer. Later in the episode it is used by Lucifer to kill Gabriel.

The Third Man


Raphael prepared to kill Castiel with his blade, but he doesn't die because he's saved and escapes.