The Ark shook as the wave went over it, but the shield stood firm. It was now severely depleted, and would require several hours to recharge. It couldn't take another hit like that. At arround that time, Optimus arrived near Megatron. "I am ordering both of you, leave now" The Prime said, the matrix protecting him and the Cybertronians nearby from the dark red energy.
((How about from now on, instead of the red wave destroys them, it makes them turn on each other, Kinda like the hate plague))