Its tail is incredibly strong, capable of toppling large transmission towers. It will then store the energy from those towers in its tail, ready to release up to 20,000 volts onto its next foe.
It pushes the tips of its two tails against the foe, then lets loose with over 20,000 volts of power. A Nidovire's thick tail packs enormously destructive power capable of toppling a metal transmission tower.