Green Lantern: Emerald Knights

Green Lantern Emerald Knights is a directtovideo animated superhero film that tells various stories featuring members of Green Lantern Corps, including Abin Sur, Laira, Kilowog, and Mogocitation needed It was released on June 7, 2011. While not a direct sequel to First Flight, the film uses the same character designs and includes a cameo by Chp, who had a speaking role in the previous film.

The sun of the Green Lantern homeworld, Oa, is becoming a gateway for Krona, an evil antimatter alien tyrant that once sought to destroy all life. As precaution the Guardians of the Universe decide to evacuate Oa of all valuables, such as the Central Battery. While in line to charge their rings before the Battery is taken away, Green Lantern Corps rookie Arisia Rrab converses with Hal Jordan and expresses her self doubts as the newest Green Lantern. In response, Hal tells her the story of the first Green LanternAvra, a scribe to the Guardians, is chosen by the final of the first four power rings despite having no skill or aptitude as a warrior. Avra and the other three original Green Lanterns, GHu, Wachet, and Blu, are immediately tasked with stopping the Dominators, an aggressive species which is invading solar system after solar system. Blu is the first Green Lantern killed in battle, whereupon with defeat apparently at hand Avra uses his willpower and imagination as a writer to continue the fight He creates the first construct from his ring, a sword, which is used to wreak havoc amongst the alien war armada. Following Avras lead the other two Lanterns, GHu and Wachet, also create their own distinct power ring constructs, and the battle is won. The power to shape constructs from the power rings becomes standard operating procedure, and Avra rises in prestige among the growing Green Lantern Corps. After his death, Avras ring is passed down and ultimately comes into the possession of Abin Sur, who is then succeeded by Hal Jordan. ........

Source: Wikipedia