Onix

Onix (Pokédex #0095) is a Rock/Ground-type POKEMON first introduced in Generation 1. It is officially classified as the Rock Snake Pokémon. As it grows, the stone portions of its body harden to become similar to a diamond, but colored black.

As a Rock/Ground-type POKEMON, Onix has a specific set of type matchups that trainers must account for. It has a 4× weakness to Water and Grass — these moves deal quadruple damage and should always be avoided in battle. It takes double damage from Ice, Fighting, Ground, Steel moves. Conversely, Onix is completely immune to Electric — these moves deal zero damage regardless of power. It resists Normal, Fire, Flying, Rock moves, taking only half damage from them.

Onix's battle stats: Base Stat Total of 385 (moderate). Full distribution: HP 35 · ATK 45 · DEF 160 · SP.ATK 30 · SP.DEF 45 · SPD 70. Its standout stat is DEF (160), which makes it best suited for physical defense roles. Its abilities are Rock head, Sturdy, Weak armor, with Weak armor as its hidden ability.

Onix stands 8.8 m (346") tall and weighs 210.0 kg (463.0 lbs). It is typically found in Cave environments. Capture rate: 45/255 (difficult to catch). Use Ultra Balls with a status condition (Sleep or Paralysis) for the best results. Growth rate: Medium. Egg groups: Mineral.

Onix is part of the Onix → Steelix evolution line (2-stage). Onix is the base form and can evolve into Steelix via Trade.

Related POKEMON in the same evolution line: Steelix. Click any name to view their full stats, moves, and type matchup chart.