Aura (Japanese: はどう Hadō, lit. "pulse") is a mysterious energy given off by all things in the Pokémon world as presented in Pokémon Aether, Nether, and Tether Versions. It can be perceived by both humans and Pokémon (the latter being taught how to by the former) and exists in an exteneral (that given off by the setting, objects within it, and other lifeforms) and an internal (that produced by the individual in question) form. It can take the form of sound or air waves, as well as visible light. While it is considered all-permeating, there are several materials and ways to block the flow of aura; typically, these methods are the same used to block the current medium it is travelling through (blocking light, cutting off sound, etc all have this effect depending on the form aura is currently