Why were the League of Assassins after Thea?
That was revealed on Arrow Season 6 Episode 16 when Nyssa Al Ghul made a return to Star City with shocking details about what they were planning for her.
Meanwhile, a mystery box that Malcolm left behind became the topic of conversation and both factions went to war to find it first.
Also, Oliver realized that his life was changing for good, and Nyssa stepped in to give him a pep talk.
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Paul Dailly is the Associate Editor for TV Fanatic. Follow him on Twitter.