Thea Queen significant event resurrection
Season 3
Thea begins the season in Corto Maltese receiving combat training from Malcolm, though she soon decides to return to Starling with Oliver. She also reopens her nightclub after Malcolm secretly buys the foundry from Queen Consolidated for her. She learns Oliver's secret identity as the Arrow when he shows her his hideout under the nightclub and begins to distrust Malcolm after learning that he already knows about Oliver's secret. After Thea is told that her father used her as a pawn against both Oliver and Ra's al Ghul by drugging and manipulating her into killing Sara Lance, she arranges for him to be captured by the League in retaliation. She reconciles with Roy but is nearly killed by Ra's and is brought back to life in the Lazarus Pit in exchange for Oliver joining the League of Assassins. Thea blames herself for letting her brother join the League. Roy breaks up with her when he leaves Starling City after faking his death, hoping that Thea can make a life of her own without him. He also leaves her his red costume which she wears to become a vigilante herself as his successor.Season 7
When Roy returns to Star City, he claims that he, Thea and Nyssa had discovered and destroyed two new Lazarus Pits. He also reveals to have been killed by the Thanatos Guild and then revived by Thea and Nyssa with one of the Lazarus Pits.