14. It's Been a Hell of a Ride

Complete story — includes the ending

Enzo encourages Bonnie to forgive Stefan. Kai gives Elena to Cade and Cade keeps Damon from dying so as to use him to get the dagger that can kill the Devil and deliver it to him in exchange for Elena. Damon keeps Stefan from leaving when telling him that Cade has Elena; they go after Kai, who has the dagger, and get it from him as well as abducting him and trapping him in the Armory. Caroline goes to Kai for help with the twins' uncontrollable siphoning to which Kai reveals that the Armory causes an outburst of witch siphoning powers. He then uses that power to escape and go after the girls. Alaric rings the Maxwell bell to weaken Cade while Stefan goes to kill the Devil; however, Kai calls him and reveals his intentions to kill the twins and so Alaric must deal with that and since he isn't ringing the bell, Cade overpowers Stefan. Eventually, Alaric and Caroline defeat Kai and then Alaric reveals that he wants the two of them to run a school for kids like Lizzie and Josie. Damon meets Cade and Stefan in the cave and Cade tries to force him to choose between the deaths of Elena or Stefan. Damon chooses himself; he kills himself but is rescued by Bonnie who fights Cade for his soul. While Cade and Bonnie's psychic powers are battling, Stefan uses the dagger on Cade and kills him. A psychic blast from Cade's death sends Damon's soul back into his body. Bonnie makes it clear that she hasn't forgiven Stefan, but he tells her that he won't give up on her forgiveness. Stefan also re-proposes to Caroline and she accepts. Bonnie traps Kai in another prison world and he tells her that when Cade died, the person given power over Hell was Katherine; Bonnie relays this information to Damon.