Raven and cyborg were originally dating at the time. But raven started to get closer with robin and they both started to develop feelings for each other but didn't let the rest of the teen titans know about their secret love for one another.Raven so started to develop strange markings on her skin indicating she was getting a sign that her father would soon come to earth to destroy it and everyone on it.As Raven and Robin knew they were right for each other.But turns out Robin was in love with star fire which made Raven mad and sad that she finally confronted Her father to challenge him to the fight to the death in 2 weeks time.Raven started to fall in love with cyborg again so they continued to date.But Robin confused his feelings to Raven but she rejected Robin.When the battles was about to begin the teen titans came to help but Raven put them in a force field so they can't interfere.the battle ended but Raven died but left a note to Robin before she died saying she always loved Robin