Oh, Kryptonians. So... Confident. You aren't actually more powerful than I am. Far weaker, in fact. You want to know why?
*he slips his the syringe back into his pocket before pulling out a yellow ring, slipping it onto his right middle finger*
In Blackest Day, in Brightest Night. Beware your fears made into light. Let those who try to stop what's right burn like my power- Fear's yellow light.
*The ring flashes yellow before he smirks at her*
That's right, I'm a Yellow Lantern. The current leader, actually. With Sinestro missing, I saw the perfect chance to take over. And you? You'll serve as my enforcer on this world. Kill whoever I want you to kill, do whatever I want you to do. But since you didn't take my offer to submit without the needle...
*he runs his right hand through her hair before returning it to his pocket and once again pulls out the syringe*
We'll have to do this the hard way.