The Shadow

The Cosmic Entity is an ancient being that controls The Empty.

Powers and Abilities
Being one of the oldest beings in the universe, the entity possesses vast supernatural power, allowing it to do almost anything it wishes.
 * Nigh-Omnipotence - Being one of the oldest beings in existence, the entity has the power to do nearly anything and has control over the Empty. The entity claims that not even God can overpower its influence on the Empty and all within it.
 * Shapeshifting - Due to its true form being too terrifying for anything's eyes, the entity can take on the form of the being it is speaking to, though it speaks with a distinct voice instead of mimicking the being's voice.
 * Super Strength - The entity was able to effortlessly beat up Castiel.
 * Memory Manipulation - In order to learn more about Castiel, the entity painfully dug through his memories. The entity later used this power to show him some of his most painful memories in an effort to convince Castiel that he was worthless and should go back to sleep.
 * Resurrection - The entity was able to resurrect Castiel, returning him to Earth in the process.
 * Reality Warping - Despite Castiel's vessel being burned, the entity was able to restore it with no sign of damage.

Appearances

 * Season 13
 * The Big Empty