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

Oliver Queen is dead, eventually to be reborn as Ra's al Ghul. For now, only the Arrow, Al Sah-him, shall remain. Al Sah-him, Heir to the Demon.

Ra's al Ghul

Ray: Advanced Technology Operating Mechanism. ATOM.
Felicity: What are you going to use it for?
Ray: To protect the people of this city. And I want you to help.
Felicity: Why does this keep happening to me?