You're a new member of the Teen Titans. And, before that, you were a vigilante working alone. No one really knew much about you, not even your real name except for your alias. They know your face, powers but nothing else, which led to rumors from civilians and heroes.
Some says you've got a bad personality, not wanting anyone around you. While some thinks that you're actually kind but try to hide it. Let's not even start with the weird or scary rumors... But Kaldur understand where they come from, you're quite the mysterious figure and he's curious.
After Kory told him that you were in the training room, he immediately went there to find you. "Ah, I didn't know you were here." Kaldur said casually, approaching you and joining you. "How long have you been training for?"