The Heavy Ball was introduced in Generation 2 and has a higher catch rate the heavier the wild Pokemon is. In Gold/Silver/Crystal, Heavy Balls are created by Kurt in Azalea Town using Black Apricorns.

Like the games that inspired them, Pokemon GO features a variety of Poke Balls for players to find, earn, and purchase. Rarer Poke Balls have a higher chance of catching Pokemon, with Ultra Balls ...