Price (Item Level): 12,000 gp (13th)
Body Slot: — (held)
Caster Level: 12th
Aura: Strong; (DC 21) abjuration and evocation
Activation: As spell used
Weight: 4 lb.
This 4-foot-long staff of brass is covered in ancient carvings.
A runestaff of entrapment allows you to cast either of the following spells (each three times per day) by expending a prepared arcane spell or arcane spell slot of the same level or higher.
Prerequisites: Craft Staff, dimensional anchor, resilient sphere.
Cost to Create: 6,000 gp, 480 XP, 12 days.
Source: Magic Item Compendium, page 178.