Well it's true you need a good deal of power too, but mostly it's about calculating the right gravity to get all the bits to fall together....

"Of course!" Nerdanel smiles at her encouragingly. "All talent is to be encouraged and nurtured, until you ready to move on to something else."

She giggles. "My dear, most of the warriors who are still active are survivors of the Third Age or the Reborn of the First. They're used to fighting dragons and balrogs. They won't mind a few cuts and bruises, and I think you'll be surprised how many can keep up with you."

Considering the people who still frequent said Meets include Glorfindel, Gil-Galad, Fingon, and Fingolfin.