The Crescent Order is a mysterious organization located in Japan. For unknown reasons, thay protected the Lotus; an elixir that could counter the effects of the Lazarus Pit.


Sometime after her son Akio's death and losing contact with Oliver Queen and her husband Maseo, Tatsu Yamashiro became a member of the Crescent Order.

In early 2016, Nyssa al Ghul approached Tatsu for the Lotus. After a brief duel, Tatsu diplomatically agreed upon learning Oliver needed the elixir.[1] The Lotus was then used on Thea Queen to save her life.[2] Due to her actions of giving away the elixir, Tatsu was forced to leave the Crescent Order and returned to Hong Kong.[3]

Known members

Former members



Season 4

Season 8


  1. "Unchained"
  2. "Sins of the Father"
  3. "Welcome to Hong Kong"
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