Siege Demons

These unnamed demons laid siege to the Monument, Colorado Sheriff's Station.

Powers and Abilities
These demons appeared to be regular low-level demons with the powers of ones.
 * Demonic Possession - As demons, they needed a vessel to walk the Earth.
 * Immortality - As demons, they would never age or die unless killed.
 * Invulnerability - As demons, the were invulnerable to normal methods of harm.
 * Super Strength - As demons, they were stronger than most average humans. One demon was able to slam a fully-grown man into a wall with enough force to break the plaster. Another's failed blow resulted in him punching a hole through a wall.
 * Telekinesis - One demon displayed the ability to pin the Winchesters to the wall with her mind.

Weaknesses
As regular low-level demons, they possessed all the weaknesses of one.
 * Salt - Like all low-level demons, they were vulnerable to salt and could be kept out by it. Being trapped by salt lines made an exorcism fatal to them.
 * Holy Water - Like all low-level demons, they were vulnerable to holy water.
 * Exorcism - Like all low-level demons, they were vulnerable to exorcisms. Being subjected to one caused them great pain.

Appearances

 * Season 3
 * Jus In Bello