Exactly how The Flash will continue that storyline has yet to be fully seen, but fans will be able to find out soon when the series returns for Season 7, next Tuesday at 8 p.m. ET/PT on The CW.
If John Diggle’s destiny as the Green Lantern continues, this would be the first time the superhero has made an appearance in the Arrowverse.
First appearing in 1940, the Green Lanterns fight evil with the aid of rings that grant them a variety of extraordinary powers, all of which come from imagination and/or emotions.