The winding passageways of the world can quickly confuse you, so it's a safe charm to have if you're not intending to get involved in any serious battles. While equipped, it will show the player's location on the map - making it primarily useful in learning the complex map of Hollow Knight. This charm is perfect for a first time playthrough. Location: After first encounter with Cornifer, it can be bought from Iselda in Dirtmouth for 220 Geo.Description: Whispers its location to the bearer whenever a map is open, allowing wanderers to pinpoint their current location.Master List of All Charms and Their Locations in Hollow Knight Wayward Compass When overcharmed, play carefully - as you will take double damage until you are no longer overcharmed. If you attempt to equip a charm that uses more notches than you have, the game will refuse a few times before finally relenting and equipping the charm. A risky concept, the ability to be 'overcharmed' allows you to equip more charms than you should be able to. The notches that determine how many charms you can equip are not a hard cap.