Go to practice mode and select any fighters. Then choose jungle outpost as the stage. Once you're in practice mode, back your opponent against the "railing" in the background and start hitting them with attacks until they fall down to the lower section. When you get to the lower level, you then want to position your enemy against the "wall" of vines and proceed you beat them against it. Once it breaks, *achievement unlocked*
Thanks to C Lo eLoRiGiNaL for the guide!