Eye Stones in Demon's Souls is a consumable item that is used for multi-player situations. These can be used from the consumables inventory or if it is equipped to you quick use slots. When using Eye Stones, there are some regions in each level where the game does not allow using colored eye stones. Eye stones can be often used near the start of the level and just before entering a boss arena, a message "You can summon here." will prompt the player if you can use one - this page covers a list of all the eye stones in Demon's Souls.
Demon's Souls Eye Stones
|Name & Icon||Usage||Location|
|Allows other players to summon you to their world as Blue Phantom||Obtained upon clearingBoletarian Palace|
|Send summoned Phantoms to their original world as a Host or return to your own world as a Phantom||Obtained upon clearingBoletarian Palace|
|Allows the player in Soul form to invade other worlds as a Black Phantom||Dropped by the first unnamed Black Phantom|
|Send a Red Soul Sign to other worlds and summoned as a Black
|Obtained after killing the Maiden in Black in the End Game scenario|