For the group of the same name, see Thanatos Guild.
"The Thanatos Guild" is the sixteenth episode of the sixth season of Arrow, and the one-hundred-thirty-first episode overall. It aired on March 29, 2018.


Nyssa al Ghul returns to Star City to warn Thea that a group of renegade League of Assassins members is planning to attack her. This group, led by Athena, is intent on finding a mysterious box that Malcolm left behind and will stop at nothing to get it. Nyssa helps Oliver come to a life-changing realization.[1]


  • The title of this episode comes from the name of another group of League of Assassins that was supposed to be led by Malcolm until Athena took charge.
  • Going to look for the map, Felicity asks whether the traps laid around the location housing the map are more comparable to "Raiders or Temple of Doom", referencing two films in the Indiana Jones franchise.
    • Thea later tells Felicity that it's more like Raiders, before triggering a trap that shoots arrows, similar to a scene in the aforementioned film.
  • The cap Roy wears is a callback to him wearing a cap in the New 52 Red Hood and the Outlaws series, and the DC Rebirth comics.
  • Felicity makes a reference to the Hellraiser franchise due to the box's resemblance to the Lament Configuration.
  • Curtis mentions that the murder board is making him feeling "very Alan J. Pakula", a notable film director, writer and producer.
  • When Roy and Felicity are trying to figure out how to defuse the bomb Roy says "I can freeze it, I've done that before". This is a reference to the episode "The Calm" where Roy freezes a bomb that's about to go off underneath Rockets Arena (per Felicity's instructions no less).
  • This episode marks Willa Holland's last appearance in the show as a series regular in addition to being credited in the main cast bill.
  • Kyra Zagorsky and Alvina August both appeared on Supernatural.




  1. Arrow “The Thanatos Guild” Official Description: Nyssa Returns - GreenArrowTV