Faded Leash

A very old and seemingly broken arcane collar, allows user to see into the ethereal plane for 1d20 rounds.

User can instead travel into the ethereal plane for 1d20 rounds, upon returning make a Con Saving throw of DC equal to the number of rounds.

On a failed save receive #d6 psychic damage, where # is the number of rounds. This has 2 charges, and regains one charge once per day. If a charge has been already used that day, make the Con Saving Throw with disadv.