Cube of Force

Rare Wondrous Item

Action: Create a 3-space cubic cage of force (Range 6). Choose whether the walls of the cage obstruct all creatures and/or all attacks. A trapped creature may break free with a DC 20 STR save, and the cube cannot trap an enemy larger than Huge. The device has 3 charges, and must be left in a bank vault for 1 month to recharge.