First you must need flash player 7 and cheat engine 5.3 in order for this cheat to work.once you have done that you have to click on the little computer on the top left corner of cheat engine and set value type to double. wen uve done that click on battle monsters then dont do anything. get cheat engine and type in the value box ure enimies hp then click first scan. once you've let it load there will be addresses but dont click any. then hit ur enimy and after that type ur enimies new hp in cheat engine and click NEXT SCAN. after that you should have one address double click it and in the value box put in zero. now attack ur enimy again and once you've done it no matter wat the damage is ur enimy will die straight away.
im sure this cheat will help you in defeating any monster.
thanks for reading.