Onix
#62 in the Crystal Pokédex • Rock Snake Pokémon
Pokémon Crystal
As it digs through the ground, it absorbs many hard objects. This is what makes its body so solid.
Pokédexes
Egg Group
Steps to Hatch
Effort Values Yielded
Gender Ratio
Capture Rate
Base Experience
| Pokémon | Requires | Evolution |
|---|---|---|
 Onix #62 |  Trade holding Metal Coat |  Steelix #63 |
Pokémon Crystal
| Location | Method | Level | Chance | Conditions |
|---|---|---|---|---|
Union Cave Union Cave (1F) | Walking in tall grass or a cave | 6 | 4% | During the day |
Union Cave Union Cave (1F) | Walking in tall grass or a cave | 6 | 4% | In the morning |
Union Cave Union Cave (1F) | Walking in tall grass or a cave | 6 | 4% | At night |
Union Cave Union Cave (1F) | Walking in tall grass or a cave | 6 | 1% | During the day |
Union Cave Union Cave (1F) | Walking in tall grass or a cave | 6 | 1% | In the morning |
Union Cave Union Cave (1F) | Walking in tall grass or a cave | 6 | 1% | At night |
Union Cave Union Cave (B1F) | Walking in tall grass or a cave | 8 | 10% | During the day |
Union Cave Union Cave (B1F) | Walking in tall grass or a cave | 8 | 10% | In the morning |
Union Cave Union Cave (B1F) | Walking in tall grass or a cave | 8 | 10% | At night |
Union Cave Union Cave (B2F) | Walking in tall grass or a cave | 23 | 4% | During the day |
Union Cave Union Cave (B2F) | Walking in tall grass or a cave | 23 | 4% | In the morning |
Union Cave Union Cave (B2F) | Walking in tall grass or a cave | 23 | 4% | At night |
Union Cave Union Cave (B2F) | Walking in tall grass or a cave | 23 | 1% | During the day |
Union Cave Union Cave (B2F) | Walking in tall grass or a cave | 23 | 1% | In the morning |
Union Cave Union Cave (B2F) | Walking in tall grass or a cave | 23 | 1% | At night |
Mt. Silver Mount Silver (1F) | Walking in tall grass or a cave | 42 | 20% | During the day |
Mt. Silver Mount Silver (1F) | Walking in tall grass or a cave | 42 | 20% | In the morning |
Mt. Silver Mount Silver (1F) | Walking in tall grass or a cave | 42 | 20% | At night |
Mt. Silver Mount Silver (top) | Walking in tall grass or a cave | 48 | 30% | During the day |
Mt. Silver Mount Silver (top) | Walking in tall grass or a cave | 48 | 30% | In the morning |
Mt. Silver Mount Silver (top) | Walking in tall grass or a cave | 48 | 30% | At night |
Rock Tunnel Rock Tunnel (B1F) | Walking in tall grass or a cave | 16 | 20% | During the day |
Rock Tunnel Rock Tunnel (B1F) | Walking in tall grass or a cave | 16 | 20% | In the morning |
Rock Tunnel Rock Tunnel (B1F) | Walking in tall grass or a cave | 16 | 20% | At night |
Victory Road Victory Road 1 (1F) | Walking in tall grass or a cave | 33 | 20% | During the day |
Victory Road Victory Road 1 (1F) | Walking in tall grass or a cave | 33 | 20% | In the morning |
Victory Road Victory Road 1 (1F) | Walking in tall grass or a cave | 32 | 20% | At night |
Victory Road Victory Road 1 (2F) | Walking in tall grass or a cave | 33 | 20% | During the day |
Victory Road Victory Road 1 (2F) | Walking in tall grass or a cave | 33 | 20% | In the morning |
Victory Road Victory Road 1 (2F) | Walking in tall grass or a cave | 32 | 20% | At night |
Victory Road Victory Road 1 (3F) | Walking in tall grass or a cave | 33 | 20% | During the day |
Victory Road Victory Road 1 (3F) | Walking in tall grass or a cave | 33 | 20% | In the morning |
Victory Road Victory Road 1 (3F) | Walking in tall grass or a cave | 32 | 20% | At night |
Violet City Violet City (Southwest House) | Npc Trade | 5-100 | 100% | Give Bellsprout in a Trade |
Normal
Shiny
Onix
Rock Snake Pokémon
HP
35
Attack
45
Defense
160
Sp. Atk
30
Sp. Def
45
Speed
70
Total
385
Type Chart
Weaknesses
Takes 4× from
Takes 2× from
Resistances
Takes 0× from
Takes 0.25× from
Takes 0.5× from
| Class | Description | ||||||
|---|---|---|---|---|---|---|---|
| Start | Tackle | |  Physical | 35 | 95 | 35 | A full-body charge attack. |
| Start | Screech | |  Status | - | 85 | 40 | Sharply reduces the foe's DEFENSE. |
| 10 | Bind | | Physical | 15 | 75 | 20 | Binds the target for 2-5 turns. |
| 14 | Rock Throw | | Physical | 50 | 90 | 15 | Drops rocks on the enemy. |
| 23 | Harden | | Status | - | - | 30 | Raises the user's DEFENSE. |
| 27 | Rage | | Physical | 20 | 100 | 20 | Raises ATTACK if the user is hit. |
| 36 | Sandstorm | | Status | - | - | 10 | Inflicts damage every turn. |
| 40 | Slam | | Physical | 80 | 75 | 20 | Slams the foe with a tail, vine, etc. |
| Class | Description | |||||
|---|---|---|---|---|---|---|
| Flail | | Physical | - | 100 | 15 | Stronger if the user's HP is low. |
| Rock Slide | | Physical | 75 | 90 | 10 | An attack that may cause flinching. |
| Class | Description | ||||||
|---|---|---|---|---|---|---|---|
| HM04 | Strength | | Physical | 80 | 100 | 15 | A powerful physi cal attack. |
| TM02 | Headbutt | | Physical | 70 | 100 | 15 | An attack that may make foe flinch. |
| TM03 | Curse |  | Status | - | - | 10 | Works differently for ghost-types. |
| TM05 | Roar | | Status | - | 100 | 20 | Scares wild foes to end battle. |
| TM06 | Toxic | | Status | - | 85 | 10 | A poison move with increasing damage. |
| TM08 | Rock Smash | | Physical | 20 | 100 | 15 | An attack that may lower DEFENSE. |
| TM10 | Hidden Power | |  Special | 1 | 100 | 15 | The power varies with the Pokémon. |
| TM11 | Sunny Day | | Status | - | - | 5 | Boosts fire-type moves for 5 turns. |
| TM13 | Snore | | Special | 40 | 100 | 15 | An attack useable only while asleep. |
| TM17 | Protect | | Status | - | - | 10 | Foils attack that turn. It may fail. |
| TM20 | Endure | | Status | - | - | 10 | Always leaves at least 1HP. |
| TM21 | Frustration | | Physical | - | 100 | 20 | An attack based on lack of loyalty. |
| TM23 | Iron Tail | | Physical | 100 | 75 | 15 | An attack that may reduce DEFENSE. |
| TM26 | Earthquake | | Physical | 100 | 100 | 10 | Tough but useless vs. flying foes. |
| TM27 | Return | | Physical | - | 100 | 20 | An attack that is based on loyalty. |
| TM28 | Dig | | Physical | 60 | 100 | 10 | 1st turn: Burrow 2nd turn: Attack |
| TM31 | Mud-Slap | | Special | 20 | 100 | 10 | Reduces the foe's accuracy. |
| TM32 | Double Team | | Status | - | - | 15 | Heightens evasive ness. |
| TM34 | Swagger | | Status | - | 90 | 15 | Causes confusion and raises ATTACK. |
| TM35 | Sleep Talk | | Status | - | - | 10 | Randomly attacks while asleep. |
| TM37 | Sandstorm | | Status | - | - | 10 | Inflicts damage every turn. |
| TM44 | Rest |  | Status | - | - | 5 | Sleep for 2 turns to fully recover. |
| TM45 | Attract | | Status | - | 100 | 15 | Makes the opposite gender infatuated. |