You're playing a video game and some enemy runs up and knocks you down. Normally, if this happened in Real Life, you'd expect to be more vulnerable to future attacks. But, for some reason, these cold, ruthless mooks appear to have the proper manners to wait for you to get back on your feet before they take another swing at you, making the time when the player is on their back a form of Mercy Invincibility. Just as annoying is when the player is forced into making the same concession. Subtrope of Mook Chivalry. Contrast Kick Them While They Are Down and Finishing Move.