Whether it’s because the cost of using them is so great, like the ‘United States of Smash’ by All Might, or because the attack is too epic to be used repeatedly (or to be animated again, honestly), like the ‘Zero Hand’ by Netero, some anime moves are a rare treat, only seen once and making the audience feel privileged to have witnessed them. Let’s take a look at some of the greatest anime attacks used only once that fans know the true loss of never getting to experience again.