劲敌

劲 = 又 + 工 + 力 : Joan of Arc (ji) is training with lots of energy (劲) in the encampment's bathroom ((e)n4). Again and again the presses a power button (力) which releases a boxing glove (又) fixed to a steel beam (工) which she has to hit with her fist to punch it back into its original position.

敌 = 攵 + 舌 : Dorothy Gale (di) is fighting her enemy (敌), the Wicked Witch of the West, by attacking her with a sledgehammer (攵) while threatening her with her tongue (舌) stuck out just inside the space station's entrance (Ø2).