User blog comment:James12708/Reapers VS. Forerunners VS. Angels from Darksiders VS. Humanity from Halo VS. Council and humanity from Mass Effect VS. Imperium of Man/@comment-4721065-20130112104250/@comment-1683193-20130124065605

Even if they took down the sentenials,Stompas are still massive targets for orbital strikes. Besides,as soon as they find out about the spore ability,the Forerunners can put swarms of sentinals in infested cities programmed to kill Orks as soon as they pop out of the ground.