From Guild Wars 2 Wiki
This stone is attuned to ley-line energy. Carrying it will indicate when a Ley Line Anomaly appears.
Double-click to get a reading.
— In-game description
- Once per account for free by talking to Magister Ela Makkay after previously giving her an Unidentified Lodestone, or:
- Using the item does not consume it and thus can be used infinitely.
- Cannot be used in combat nor in The Mists.