Katrina Law will reprise her role as Nyssa Al Ghul for an upcoming episode of Arrow, reports Variety. Law was previously a recurring character on the show and the one-time bride of Oliver Queen (played by Stephen Amell), but last appeared on the show in May 2017.
“In an unforgettable episode that will change Arrow forever, Katrina Law returns as the Daughter of the Demon, Nyssa Al Ghul,” said showruners Wendy Merciel and Marc Guggenheim in a joint statement. “Nyssa comes to Star City to warn of an impending danger that will threaten everything we know and love.”
Law is slated to appear in the as-yet-undated "The Thanotos Guild" episode, the sixteenth of the current season.
Arrow airs Thursdays on the CW.