Complex sentence: Long ago, he was one of the victims of Dark Spark War after being released by Dark Lugiel, he proceed to attack Jean-nine in mad fury until Ginga arrived as they battle on every portions of the world and defeated after returning to Japan.
Split into simpler sentences: Long ago, he was one of the victims of Dark Spark War. Having released by Dark Lugiel, it proceed to attack Jean-nine in mad fury until Ginga arrived as they battle on every portions of the world and defeated after returning to Japan.