the start of a war part one

there was once a peacful planet called the shadow 640 it was inhabited by people who were pretty advanced but that didnt help much in the war there enemy sayiens who were a war like people who would destroy planets just becuse they were in the way but the sayiens were here to enslave the people and take there technology first the sayiens sent 5 sayien pods that they destroyed countless cities slathering civilians of shadow 640 but when some of there strongest soldiers were sent armed with there strongest wepons and the battle started but the battle still hadn't stopped even after 3 days then 2 more there was only 2 critically injured sayiens left so they called for backup but they shortly after they died from blood loss the soldiers first had 9000 men but only 2632 came home