Rechargeable Cube of Force
Aura: moderate evocation
CL: 10th
Slot: none
Price: 70,000 gp
Weight: 1/2 lb.
Construction Requirements: Craft Wondrous Item, wall of force; Cost 35,000 gp
Source: Classic Treasures Revisited, p. 13
Description
This cube functions like a cube of force except that it can be recharged by casting a wall of force spell into it. Each spell cast in this manner adds 2 charges to the cube. The cube cannot hold more than 36 charges.