: 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.
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. The_vampire_diares_3x07
: 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
As the chaos escalates, Bonnie performs a powerful spell to restore the veil. This leads to several emotional goodbyes: : Confronts Damon, but instead of seeking revenge
: Grams reminds Bonnie of her strength as a witch before fading away.
: Mason leads Damon to a hidden cave beneath the Lockwood cellar, revealing ancient Viking carvings (the story of the Original family) before he disappears.
By the end of the night, the ghosts are gone, but the information Mason provided sets the stage for the Scooby Gang to learn the true origins of .