Metamagic rod, Empower
(Dungeon Master's Guide v.3.5, page 236)
Price (Item Level): 32,500 gp (16th)
Body Slot: — (held)
Caster Level: 17th
Aura: Strong; (DC 23) no school
Activation: —
Weight: 5 lb.
You can cast up to three spells per day, of 6th level or lower, where damage is empowered as though affected by the Empower Spell feat.
Prerequisites: Craft Rod, Empower Spell.
Cost to Create: 16,000 gp (plus 500 gp for base item), 1280 XP, 32 days.