Possible wall ID's found: "Erases walls." 0?; CONDUCTIVE WALL 1; EWALL 2; DETECTOR 3; STREAMLINE 4; FAN 5; LIQUID WALL 6; ABSORB WALL 7; WALL 8; AIRONLY WALL 9; POWDER WALL 10; CONDUCTOR 11; EHOLE 12; GAS WALL 13; GRAVITY WALL 14; ENERGY WALL 15; AIRBLOCK WALL 16; "Erases walls, particles, and signs." 17?; STASIS WALL 18