Arrow 1x23 «Official ✮»

" Sacrifice " is the high-stakes Season 1 finale of Arrow , delivering a tragic and game-changing conclusion to the show's debut year. The episode focuses on Oliver Queen’s desperate attempt to stop Malcolm Merlyn’s "Undertaking," a plan to level the Glades using a man-made earthquake.

: Malcolm Merlyn (initially presumed dead after being stabbed by Oliver) and Tommy Merlyn. Arrow 1x23

: Earlier in the episode, Moira Queen holds a televised press conference where she confesses her involvement in the Undertaking and exposes Malcolm Merlyn's plan to the city. Key Highlights " Sacrifice " is the high-stakes Season 1