Ring, legendary
The World Drifter Rings are given to all party members right at the beginning of their journey. The rings are only view-able to those wearing them and can not be taken off, the only time they will come off is when the person wearing them die's which the ring will fade from existence right after the death. The rings have a mind of their own and will phase those they need out of their existing plane and into anther where they are needed at any time they wish.
A.K.A. This ring can phase a character out of the game if the player can not make it to the season so the DM doesn't have to worry about that character. The DM can bring them back instantly if the player of the character.