Thea is Oliver's younger sister.

Thea Queen Quotes

Oliver: This guy gets more airtime on the Kardashians.
Thea: Five years on an island and you still know who they are.

Thea: I missed you so much.
Oliver: You were with me the whole time.

Arrow Quotes

Diggle: I see you brought your plus one.
Ray: Nice to meet you. Ray Palmer.
Diggle: John Diggle. [whispering into Ray's ear] You hurt her, they'll never find your body. [louder] Nice to meet you!

There is a prophecy. The man who doesn't perish at the blade of Ra'a al Ghul will become Ra's al Ghul. Ra's al Ghul doesn't offer, he orders. Oliver! Don't delude yourself into thinking you have a choice.

Malcolm