: Returns to help Stefan, who is currently a "ripper" under Klaus's compulsion. She uses intense, physical methods to try and "detox" him and bring back his humanity.
: Mason leads Damon to a hidden cave beneath the Lockwood cellar, revealing ancient Viking carvings (the story of the Original family) before he disappears. The_vampire_diares_3x07
While some ghosts seek to help, others have darker motives. The , led by Frederick, use their temporary physical forms to terrorize the founding families during the festival. : Returns to help Stefan, who is currently
: Lexi is forced to vanish just as she makes progress with Stefan, leaving him in a state of agonizing withdrawal but showing a glimmer of his former self. While some ghosts seek to help, others have darker motives
: Confronts Damon, but instead of seeking revenge for his murder, he offers to help find a weapon that can kill Klaus. The Conflict of Vengeance
: Appears to Bonnie to warn her that the balance of nature has been disturbed and that she must close the door to the Other Side before it's too late.