Helixmon is Shadowdramon's digivolved form, and the ultimate digimon in Shimidramon's line.
Helixmon is a metallic version of Shadowdramon, with a body and cannons in the chest, but as a backfire, he can't control the shadows now. But now he can control the electric energy of the machines, giving to him electric power.
Like it is said before, he is a metallic version of Shadowdramon with a body and cannons in the chest. He have spikes on it back and a magnetic tail to control metal.
He can change it's form to a four-legged dragon, reducing his speed and raising his power.
Electro Shadows: Charges electric power on its spikes and shoots away with a great speed.
Thunder Fury (two-legged form only): Launches electric missiles from its cannon in the chest.
Thunder Army (four-legged form only): Launches electric shockwaves in the ground by the legs.
Chaotic Thunderbolts: Throws 3 electric balls from the mouth.