Find a checkpoint with Carusaurum nearby, such as this location on mission five. Collect the Carusaurum units, then select the "Restart from last checkpoint" option and collect them again. Play mission fourteen under the Normal difficulty setting. Do a fast run only for Carusaurum units then replay the mission. This requires between five and seven minutes and results in ninety units of Carusaurum per run. A recommended loadout is Heavy Support, Rocket Hammer, Shield Guard, Sledge Hammer, Shadow Servant.