Onix

Onix is a Rock, Ground-type Pokémon from the Kanto region. It evolves into Steelix when fed 50 candies and given a Metal Coat.

Attack availability

 * Heavy Slam, Sand Tomb:  added  on February, 2017
 * Breaking Swipe:  added  on September, 2023
 * Iron Head, Rock Slide:  removed  on February, 2017