Peace Through Decimation

After Merlin meets death in the battle between Yithrus, a ruler that wished to conquer Merlin's homeland, Lavin. He opened his eyes confused until he found himself in the body of a boy named Grim Gaither. A boy that belonged to an orphanage. Merlin questions the reason behind his reincarnation until he's given partial answers to it. The answers he's given drive him to fight in the war against the enemy continent Valken. His purpose is to end Yithrus's life, once more. But why? The answer to the question lies deep inside the hidden soul in his body. Waiting...until the time is right.