Raven: "I have no love for Terra. She wants me to hate her, wants all of us to hate her, to justify her acts of violence, her acts of betrayal. To obscure the deep-seated guilt of those betrayals and distract from the rage she feels from the emotional abuse and manipulation of others. But I believe there is hope. When Donna took over the Titans, she pushed for a more compassionate approach to how we dealt with our enemies. With villains. It was the mercy we showed Shimmer that allowed her to sway her brother Mammoth. The same mercy we showed Vanadia. Both were ultimately key to defeating Deathstroke and his Crime Syndicate. I myself have wrestled with my own dark side. And I didn't find peace until accepting both aspects of myself, light and dark. Terra's time with Slade Wilson poisoned her. Created and nurtured her darkest impulses. But Terra was a Titan too. We should bear that in mind. We have had influence as well."
Raven, continued: "And maybe this time the Titans can be her cure." Cut to the present, where Nightwing and Raven refuse to fight Terra, and she mocks the idea of them giving her some kind of redemption speech, until Raven reaches out.
I think it's right for Raven to be the one making this case. The fact that she's been mildly jealous over Gar's lingering attachment actually makes it stronger. #TitansSpoilers