Crossover weapon: Jewel Driver

This is a Utau's main weapon is the Jewel Driver as Utau Dark Jewel's main weapon for fighting not only against evil Mamodo purposes, but also sole purpose to fight and defeating Amu by use of her weapon until it turned into Dia Glaive along with Utau's spell cards dissipated after she believed in herself and believe that she can make use of her flaws to improve her light. This weapon resembles as Magna Visor used by Kamen Rider Zolda from Kamen Rider Ryuki, the X-marked black diamond brooch attached to it and the Guardian Character X-Dia featured on Dark Jewels weapon as part of famous weapon. The Jewel Driver function is exactly the same as Luna's Luna Driver except its designs using of "Direct Spell Card Reader", the spell card insert is now vertical instead of horizontal insert and the different of the Jewel Driver is much faster firing rate than Luna Driver even the trigger is held. Utau Dark Jewel uses her spell cards like Luna's cards except set-up card (However when obtained Utau's set-up card, she transform directly into Dark Jewel), in addition to Attack Spell Cards, Utau uses Mystery Cards, which give her the ability to summon a powerful mystery characters.

Like other devices from Nanoha, the distorted voiced of this weapon is Daniel Andrey.

Also Utau's known Spell Cards featured for Jewel Driver:

Glitter Lancer
Glitter Buster
Darklight Breaker

Known Mystery Summon Spell Cards:

Singer Dream
Bad Singer Dream
Dream Dream