Transforms the Metalheart into the ultimate form of G series: the G-0 Battleroid , inflicting powerful magic damage upon her enemies with the Gatling Gun, Missile Attack, and Laser Attack.

Holding down the attack button during the lock-on process allows the Metalheart to lock on to her enemies in a short amount of time.

Increases strength and skill duration, while decreasing cooldown time and MP consumption with each use of G-1 Corona, G-2 Rolling Thunder, or G-3 Raptor.

Unleashes an EMP device that deals massive neutral physical damage on enemies, followed by an engulfing electromagnetic field that not only deals light and magic damage, but electrocutes enemies as well. When the device explodes, fire damage is dealt to the Valkyrie's enemies.

Enhances the weapon to burn enemies when the enemy is inflicted with the additional fire damage dealt by Blazing Bullet and or the explosion of Explosive Bullet; in addition, enhances the weapon to deal additional light damage and electrocute enemies with Silver Bullet or Photon Bomb.

Increases the attack strength of heavy firearm skills (M-137, Gatling Gun, M-3 Flamethrower, BBQ, Flame Strike, Laser Rifle, Steyr AMR, and FM-92 mk2 Lander) over level 35 at the cost of durability.