Prompt: OH NO, NINJAS! DEFEND YOURSELF FROM THIS SUPRISE CHALLENGE \"AMBUSHED BY NINJAS!\" WHAT KIND OF NINJAS ARE ATTACKING YOU? WHAT WEAPONS ARE THEY USING? IS IT A RAKE, A SWORD, OR MAYBE EVEN A GUN? WHAT ANCIENT NINJITSU ARTS ARE THEY ATTACKING WITH? WILL ANYONE SURVIVE THE AMBUSH?