User blog comment:Ravager134K/The Chimera vs Aliens/@comment- Predator/@comment- The Flood/@comment- The Covenant and Psuedo Arachnids/@comment-74.132.101.157-20100412111544

The chimera have strength in numbers. Even a single ravager or titan can kill multiple predators or any other of these mentioned alien races. Star Trooper bugs may require a mech to destroy a few, but they would be defeated.