Onix

Onix, the Rock Snake Pokémon, is a colossal ground and rock-type Pokémon introduced in Generation I. It is renowned for its immense size and serpentine body, composed of numerous boulders. Onix typically inhabits mountainous regions and caves, where it carves out intricate tunnel systems. Its diet primarily consists of minerals and rocks, which it consumes to grow larger and harder. In the wild, Onix are often found in groups, contributing to the formation of vast underground networks. Onix evolves into Steelix when traded while holding a Metal Coat. In the Pokémon anime, Brock's Onix is one of his most iconic Pokémon, showcasing its strength and loyalty in numerous battles. Onix’s imposing presence and unique rock-like composition have made it a memorable figure in the Pokémon franchise, symbolizing raw power and the resilience of nature. It plays a significant role in early game progression for many trainers, offering a formidable challenge with its high defense.