Lusamine explained that they have machines that are detecting Ultra Wormholes opening at random places across Alola. If any Ultra Beasts should emerge, they need to be captured so that they can be researched and allow us to get more info on them, as at this point we have for the most part, simply a name, classification, and types on them. "To make this easier, we at the Aether Foundation have designed a special kind of Pokéball, This is a 'Beast Ball'. When used on an Ultra Beast, is more effective than an Ultra Ball."