Price (Item Level): 20,000 gp (15th)
Body Slot: — (held)
Caster Level: 12th
Aura: Strong; (DC 21) evocation
Activation: As spell used
Weight: 4 lb.
This rune-covered staff is made from white wood and silver, and is tipped at each end with a glittering diamond.
A runestaff of frost allows you to cast any 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, cone of cold, ice storm, wall of ice.
Cost to Create: 10,000 gp, 800 XP, 20 days.
Source: Magic Item Compendium, page 180.