sentences:  The mercenary had fooled the ninjas and after a brief fight, ambushed both groups of ninjas with his B.A.T.s and knocked them out with gas.He used Cobra's Brain-wave Scanner to turn Slice and the others into his brainwashed slaves, and headed to Cobra Island, long since unoccupied by Cobra.The Ninja Force eventually broke free, but Slice, Dice and the Red Ninjas remained under his control for a time.