Marauders Map Wallpaper I Solemnly Swear That I Am Up To No Good I solemnly swear that i am up to no good just recite the phrase and tap your wand to learn the location of every inch of hogwarts

The marauder s map is lasting testimony to the advanced magical ability of the four friends who included harry potter s father godfather and the map they created during their time at hogwarts appears to be a blank piece of parchment unless activated by the phrase