Cosmic Eclipse·#105·2019
Onix, the colossal Rock Snake Pokémon, is a Generation I pure Rock-type known for its immense size and ability to burrow through the earth, evolving into Steelix. This specific card, #105 from the 2019 Cosmic Eclipse set, is a common non-holo variant that features striking artwork and practical gameplay mechanics. Here, visitors will find comprehensive Pokédex lore, detailed descriptions of its attacks and energy costs, alongside its weakness and full edition history.
Read more ↓Onix, the Rock Snake Pokémon, was introduced in Generation I, captivating trainers with its immense size and rock-hard body. This colossal Pokémon is a pure Rock-type, making it robust against Fire, Flying, Bug, and Ice types, but vulnerable to Water, Grass, Fighting, Ground, and Steel attacks. Onix is known for its distinctive appearance, resembling a massive chain of boulders, and its ability to burrow through the earth at high speeds. Its natural habitat is typically underground, in caves, or mountainous regions, where it feeds on large rocks, strengthening its already formidable body. Onix evolves into Steelix when traded holding a Metal Coat, gaining the Steel typing and further enhancing its defensive capabilities. In the Pokémon anime, Brock's Onix is particularly famous, showcasing its loyalty and power in numerous battles. Onix's imposing presence and unique design have solidified its place as an iconic Pokémon, symbolizing strength and resilience within the franchise. Its role in the games often involves being an early-game challenge, especially for trainers who choose Fire or Flying type starters.
Last updated: April 11, 2026
