Arrow 2x13 Extended Promo - Heir to the Demon [HD]

Arrow Season 2 Episode 13 Extended Promo/Preview “Heir to the Demon“ “Heir to the Demon“ Official Description: ALEX KINGSTON AND KATRINA LAW (“SPARTACUS“) GUEST STAR — As Laurel (Katie Cassidy) continues to unravel, Oliver (Stephen Amell) and Lance (Paul Blackthorne) try to convince Sara (guest star Caity Lotz) to stay in Starling City and finally reunite with Laurel and Dinah (guest star Alex Kingston). However, Sara’s fellow League of Assassins member, Nyssa (guest star Katrina Law, “Spartacus“