Sheer Force is an ability introduced in generation 5.
30 Pokémon can have this ability, such as Timburr, Gurdurr, Conkeldurr, Darmanitan and Druddigon. For 20 of them it is the hidden ability, usually obtained from events, raids or breeding.
Official effect
Strengthens moves with extra effects to 1.3× their power, but prevents their extra effects.