Harry speculates that the marauders stole part of the Hogwarts security system, but he’s not necessarily a reliable narrator.
Other fics imply that the map might have read-only access to the Hogwarts Wards/wardstone, in which case the Chamber would not have been there until the wards were adjusted to allow entry.
Harry speculates that the marauders stole part of the Hogwarts security system, but he’s not necessarily a reliable narrator.
Other fics imply that the map might have read-only access to the Hogwarts Wards/wardstone, in which case the Chamber would not have been there until the wards were adjusted to allow entry.