At first , the Titans do not tell Geo - Force of her betrayal , letting him think that she has died a hero .
In the end , Terra accidentally kills herself when she tries to bury the Titans alive in a massive rock storm .
At first , the Titans do not tell Geo - Force of Terra 's betrayal , letting him think that she has died a hero .
In the end , Terra accidentally kills herself when she tries to bury the Titans alive in a massive rock storm .