Crowley's Assassins

These three unnamed demons worked as assassins for the King of Hell Crowley.

Powers and Abilities
These demons appeared to be regular low-level demons with the powers of ones.
 * Demonic Possession - As a demon, it needed a vessel to walk the Earth.
 * Immortality - As demons, they would never age or die unless killed.
 * Invulnerability - As demons they was invulnerable to normal methods of harm.
 * Super Strength - As demons, they were stronger than most humans and monsters. They were able to easily defeat the Winchesters and Bobby Singer, but were no match for Castiel.

Weaknesses
As regular low-level demons, they possessed all the weaknesses of ones.
 * Angels - The Seraphim Castiel was effortlessly able to smite these demons.

Appearances

 * Season 6
 * The Man Who Would Be King