Don't think this is going anywhere for the time being, but as there is such a lack of fan fic for Green Lantern I really couldn't keep it to myself.
Summary - Razer wasn't the only Red Lantern Atrocitus "made" and when the other Lanterns find out a schism appears between the two groups. Those that follow the Lord Atrocitus, and those who follow Razer, the One who Revealed the Deceiver Atrocitus for what he was. This is an excerpt from the Revelations of Rage - the Book of Razer.
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Harkin! For it came to pass that One within the house of the Lord Atrocitus should take arms against the Lord Himself, and as the Lord doth call upon the deeds of the Blue Devils so does the One call upon the actions of the Lord.
Listen! For the One has shown that thy Rage is thine own.
Heed these words! For thy Rage is furious, and in its light all may be seen, but in its shadow the blind man follows the loudest voice of vengeance and may give his allegiance to even an enemy abhorred.
Beware! For Lord Atrocitus, The Deceiver, Killer of Worlds, Architect of Anger, Layer of Lies, culls thy Rage to means of his own.