Hidden Fates·#36
Onix, a legendary Rock/Ground-type Pokémon from Generation I, is celebrated for its imposing size and role as Brock's signature companion, embodying raw power and earth-shattering strength. This specific Onix GX card, from the 2019 Hidden Fates set, is a notable holographic rare variant, standing out with its stunning 3D artwork and formidable GX attack. Here, visitors will discover comprehensive details, including Onix's captivating Pokédex lore, its powerful attacks with their specific energy costs, and its strategic weakness and retreat cost.
Read more ↓Onix is a colossal Rock/Ground-type Pokémon introduced in Generation I, known for its serpentine body composed of numerous boulders. It evolves from no other Pokémon and can evolve into Steelix when traded holding a Metal Coat. Onix typically inhabits mountainous regions and caves, burrowing through the earth at high speeds, often causing tremors and creating tunnels that can span miles. Its diet consists primarily of rocks and minerals, which it grinds down to strengthen its body, making it harder and more durable with age. In the Pokémon games, Onix is famously associated with Brock, the Gym Leader of Pewter City, and his formidable Rock-type team, making it an iconic early-game challenge. In the anime, Brock's Onix is a recurring and powerful companion, showcasing its immense strength and loyalty. Onix symbolizes endurance and the raw power of nature, often depicted as a gentle giant despite its intimidating appearance, playing a significant role in establishing the physical diversity of the Pokémon world. Its unique appearance and memorable role in the franchise have cemented its place in Pokémon history.
Last updated: April 10, 2026
