The official description for the sixteenth episode of “Arrow” season six titled “The Thanatos Guild” has been released, which will see the return of Nyssa Al Ghul.
You can check out the description for “The Thanatos Guild” below:
NYSSA AL GHUL COMES BACK TO STAR CITY WITH A DANGEROUS MESSAGE FOR THEA —
Nyssa Al Ghul (guest star Katrina Law) returns to Star City to warn Thea (Willa Holland) that a group of renegade League of Assassins members are planning to attack her. This group, led by Athena (guest star Kyra Zagorsky), is intent on finding a mysterious box that Malcolm left behind and will stop at nothing to get it. Nyssa helps Oliver (Stephen Amell) come to a life-changing realization. Joel Novoa directed the episode written by Beth Schwartz & Ben Sokolowski
We’re going to have to go through another brief hiatus before we see “The Thanatos Guild,” as it is not scheduled to air until Thursday, March 29th.