How did Rick, the history teacher in The Vampire Diaries, end up dead? Is he a positive role or a negative role?

He is a positive character, a good man, the guardian of E and J, and the ring he wears to prevent being killed by unnatural factors has gradually formed a dark personality on the other side. It is said that every time he was saved by the Lord of the Rings, his ancestral mother would pull him to the dark side. Finally, his ancestral mother used Elena's blood to turn him into a vampire hunter, worse than all vampires. In the last episode of the third season, e died. He died. Uncle history is a good man. By the way, Bonnie cast a spell to dry it. That must be old K.