Reincarnation of a Vengeful Soul

During the final battle with the enemy nation's forces whose goal was to destroy the rest of the world and all the races it holds, River is betrayed by his best friend. After being betrayed by his second in Command, Rivers' soul is captured before it can reach the heavens by the God Avel. Explaining that the betrayal was not a part of his calculations Avel grants river a second chance at life to repay all of his efforts to that point forward. Will River be able to pass on from his vengeful thoughts and live a peaceful life in the new world Viorus? Or will the emotions that plague him make his mind succumb to evil ways?