+4 Mana Regeneration/5 seconds
UNIQUE Active - Warding: Consumes a charge to place an Observer Ward () that reveals the surrounding area for 180 seconds.
UNIQUE Passive - Ward Stone: When buying a new Observer Ward (), it will convert the new ward into a charge of this item, stacking up to 5 charges.
UNIQUE Passive - Restock: Every time you return to the fountain while having charges of this item less than 2 charges, the charges will be restored to 2 charges upon entering the fountain.
- Limited to 1 Ward Stone item on one hero.