[s5e12] The Devil Inside -

Elena briefly regains control and tries to flee, but the Travelers complete the spell just as she reaches Damon.

Tyler overhears the confession, leading to a violent confrontation where Stefan has to intervene to stop Tyler from hurting Caroline.

Katherine, surviving inside Elena’s mind, works with her daughter and a Traveler witch named Mia to make the possession permanent. [S5E12] The Devil Inside

In a rare moment of softness, Stefan comforts Caroline, telling her that while she made a mistake, she is not a "horrible person."

Katherine (as Elena) coldly dumps him, telling him they are over for good. Elena briefly regains control and tries to flee,

Katherine forces Matt Donovan to help her mimic Elena’s mannerisms and history so she can go undetected.

In Season 5, Episode 12, titled " The Devil Inside ," Katherine Pierce successfully executes her plan to cheat death by permanently hijacking Elena Gilbert's body. This episode marks a dark shift in the season, focusing on Katherine’s deception and Damon’s subsequent downward spiral. 🧛 Katherine’s Master Plan In a rare moment of softness, Stefan comforts

Believing he is speaking to Elena, tries to reconcile, admitting he needs her "goodness" to stay in the light.