Slade Wilson: She's lost, your sister.
Oliver Queen: No, she's not.
Slade Wilson: You can see it in her eyes. She's being touched by darkness. Was it Merlyn? He's an interesting man to do that to his own daughter. So now you've lost your father, your mother, and now your little sister. How's the girl with glasses? What's her name? Felicity. How many people can Oliver Queen lose before there is no more Oliver Queen?