SRD:Torc of Power Preservation
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Torc of Power Preservation: This item is a band inlaid with precious metal, worn around the neck or upper arm. The wearer of a torc of power preservation manifests all powers by paying power points equal to the standard cost minus 1 (minimum of 1).
A torc is treated as an amulet for the purpose of determining which items can be worn on the body.