Each Role comes with unique abilities and will modify your creature in different ways
Arcee, Sharpshooter Assaultron Dominator Blaster, Combat DJ Depthshaker Titan Flamewar, Brash Veteran HYDRA Assault Robot Interceptor Mechan Juggletron Kavaron Harrier Kavaron Turbodrone Kilo, Apogee Mind Kree Sentinel Liberty Prime, Recharged Machinesmith Automaton Mechanized Ninja Cavalry Megatron, Tyrant Mouser Mark III Non-Human Cannonball Omniclown Colossus One-Clown Band Optimus Prime, Hero Oreplate Pangolin Pinnacle Emissary Ravenous Robots Red Tiger Mechan Rose, Cutthroat Raider Roving Actuator Rust Harvester Slagdrill Scrapper Slicer, Hired Muscle The Motherlode, Excavator Ticking Mime Bomb Ultra Magnus, Tactician Zookeeper Mechan
By resting a single DON
As in, once they accumulate, it's very difficult to slow them down
This is a little too easy for my tastes but deserves a spot on this list nonetheless
All of this points to Ob Nixilis likely being on the move soon