Originally Posted by Fat inanimate blob
What? Teravolt and Turboblaze are great abilities, they work just like Mold Breaker. Turboblaze allows Reshiram to have unresisted STAB coverage (without Turboblaze, Heatran is able to resist using both natural typing and Flash Fire). Teravolt allows Zekrom/Kyurem-B to hit Pokémon like Jolteon and Lanturn expecting a free boost.
There's not type immune to Fire,but Ground is immune to Electric.