Green Lanterns (2016-2018) #21
By Sam Humphries, Robson Rocha & Daniel Henriques
- Release Date: 2017-04-19
- Genre: Comics & Graphic Novels
“THE GREEN IMPURITY” finale! Pushed to the brink by Polaris, one of the two Earth Green Lanterns will have no choice but to use lethal force for the first time and take down their enemy…permanently!