User blog comment:Iloriac/Arrow Season 4 issues/@comment-27403316-20151114065715

Oliver said that Darkh is not a Meta-human rather he is a sorcerer. When he said Darkh's name to Constantine he became shocked and told Oliver to leave town while he still can.

Zoom maybe a Meta-human but he is not a speedster. to see that check out my blog http://arrow.wikia.com/wiki/User_blog:Assassin_Abdullah/Zoom_is_not_a_Speedster