Arrow season 5 featured one of the series' most popular villains in the form of Prometheus (aka Adrian Chase), who wreaked havoc on the both the personal and heroic sides of Oliver Queen's (Stephen Amell) life.

Amell recently teased some information on the villain(s) we'll see in Arrow season 6, and how that new threat will compare to the arrival of Prometheus in season 5.

Check out what the actor had to say, below: