: Malcolm Merlyn (initially presumed dead after being stabbed by Oliver) and Tommy Merlyn.
: Oliver and Diggle infiltrate Merlyn Global to stop Malcolm. This leads to a brutal rooftop battle between Oliver and Malcolm (the Dark Archer). While Oliver eventually gains the upper hand, Malcolm reveals he has a second earthquake machine as a redundancy. Arrow 1x23
: The episode's destruction of the Glades and Tommy’s death set the darker tone for Season 2 and fundamentally shifted Oliver’s mission from "vengeance" to "heroism". : Malcolm Merlyn (initially presumed dead after being
: Detective Lance, with help from Felicity, manages to disarm the first device located under the Merlyn Global building. However, the second device, hidden elsewhere in the Glades, successfully triggers. with help from Felicity