In battle
When a Pokémon with Teravolt is brought out, the message "<name> is radiating a bursting aura!" will be displayed.
Teravolt negates the effects of Abilities that weaken or negate moves or the side-effects of moves.
Teravolt nullifies the following Abilities: Battle Armor, Big Pecks, Clear Body, Contrary, Damp, Dry Skin, Filter, Flash Fire, Flower Gift, Friend Guard, Heatproof, Heavy Metal, Hyper Cutter, Immunity, Inner Focus, Insomnia, Keen Eye, Leaf Guard, Levitate, Light Metal, Lightningrod, Limber, Magic Bounce, Magma Armor, Marvel Scale, Motor Drive, Multiscale, Oblivious, Own Tempo, Sand Veil, Sap Sipper, Shell Armor, Shield Dust, Simple, Snow Cloak, Solid Rock, Soundproof, Sticky Hold, Storm Drain, Sturdy, Suction Cups, Tangled Feet, Telepathy, Thick Fat, Unaware, Vital Spirit, Volt Absorb, Water Absorb, Water Veil, White Smoke, Wonder Guard, and Wonder Skin.
Outside of battle
Teravolt has no effect outside of battle.