Adora ran into the room ahead of you seeing Catra under the control of Horde Prime's control chip that was implanted in the back of her neck.

Horde Prime: I shall leave you two he begins to walk towards the door of the room

Chipped Catra: Her bright neon green eyes show the emptiness in her as she just smiles Hello, Adora.

Adora: Catra? W-We're here to take you home.

Chipped Catra: Home? But I am home.