Bex Taylor-Klaus (The Killing) will join The CW’s Arrow as Sin, a “wayward youth” befriended by Black Canary, someone with a connection to “fellow street urchin, Roy Harper,” according to TV Line.

The character, which first appeared in Birds of Prey #92, was originally being groomed to be the next Lady Shiva, as the story goes.

Sin will appear in episodes 3 and 4.

Of course there’s been a lot of Arrow character news lately.

“The Flash will appear in three episodes of the CW‘s Arrow this coming season before headlining his own spinoff series,” reported Deadline, based on information shared by the Arrow co-creators Greg Berlanti and Andrew Kreisberg and series scribe Geoff Johns, who are behind the Flash project

The origin of Barry Allen’s powers will reportedly be included, and the Flash will show up in Arrow Season 2 episodes #8, 9 and 20. David Nutter, who directed the Arrow pilot, has signed to direct episode 20.