#095 · HeartGold Generations · unchanged from the official games
Onix
RockGroundRock Head, Sturdy, Weak Armor (hidden)
In HeartGold Generations: First found in Union Cave (Grass (1F, morning / day), Lv 4-7), and in 4 more areas. Its type (Rock / Ground), base stats (total 385) and abilities are the same as in the official games. 5 of its 22 level-up moves are new compared with Pokémon HeartGold & SoulSilver, including Smack Down and Gyro Ball.
Level-up moves 23
| Lv | Move | Type | Cat | Pow | Acc | PP |
|---|---|---|---|---|---|---|
| 1 | Tackle A physical attack in which the user charges and slams into the foe with its whole body. | Normal | Phys | 40 | 100 | 35 |
| 1 | Harden The user stiffens all the muscles in its body to raise its Defense stat. | Normal | Stat | — | — | 30 |
| 1 | Bind A long body or tentacles are used to bind and squeeze the foe for two to five turns. | Normal | Phys | 15 | 85 | 20 |
| 1 | Rock Throw The user picks up and throws a small rock at the foe to attack. | Rock | Phys | 50 | 90 | 15 |
| 1 | Mud Sport The user covers itself with mud. It weakens Electric- type moves while the user is in the battle. | Ground | Stat | — | — | 15 |
| 7 | Rock Throw The user picks up and throws a small rock at the foe to attack. | Rock | Phys | 50 | 90 | 15 |
| 10 | Curse A move that works differently for the Ghost type than for all the other types. | Ghost | Stat | — | — | 10 |
| 10 | Rock Tomb Boulders are hurled at the foe. It also lowers the foe’s Speed by preventing its movement. | Rock | Phys | 60 | 95 | 15 |
| 12 | Smack Down A projectile is thrown at the opponent. A flying Pokémon will fall to the ground. | Rock | Phys | 50 | 100 | 15 |
| 13 | Rock Polish The user polishes its body to reduce drag. It can sharply raise the Speed stat. | Rock | Stat | — | — | 20 |
| 13 | Rage While this move is in use, it gains attack power each time the user is hit in battle. | Normal | Phys | 20 | 100 | 20 |
| 18 | Dragon Breath The user exhales a mighty gust that inflicts damage. It may also paralyze the target. | Dragon | Spec | 60 | 100 | 20 |
| 20 | Gyro Ball The user tackles the foe with a high-speed spin. The slower the user, the greater the damage. | Steel | Phys | — | 100 | 5 |
| 24 | Stealth Rock The user lays a trap of levitating stones around the foe. The trap hurts foes that switch into battle. | Rock | Stat | — | — | 20 |
| 26 | Rock Slide Large boulders are hurled at the foe to inflict damage. It may also make the target flinch. | Rock | Phys | 75 | 90 | 10 |
| 27 | Screech An earsplitting screech is emitted to sharply reduce the foe’s Defense stat. | Normal | Stat | — | 85 | 40 |
| 32 | Sand Tomb The user traps the foe inside a harshly raging sandstorm for two to five turns. | Ground | Phys | 35 | 85 | 15 |
| 32 | Slam The foe is slammed with a long tail, vines, etc., to inflict damage. | Normal | Phys | 80 | 75 | 20 |
| 43 | Dig The user burrows, then attacks on the second turn. It can also be used to exit dungeons. | Ground | Phys | 80 | 100 | 10 |
| 44 | Iron Tail The foe is slammed with a steel-hard tail. It may also lower the target’s Defense stat. | Steel | Phys | 100 | 75 | 15 |
| 45 | Sandstorm A five-turn sand- storm is summoned to hurt all combatant types except Rock, Ground, and Steel. | Rock | Stat | — | — | 10 |
| 49 | Stone Edge The user stabs the foe with a sharpened stone. It has a high critical-hit ratio. | Rock | Phys | 100 | 80 | 5 |
| 52 | Double-Edge A reckless, life- risking tackle. It also damages the user by a fairly large amount, however. | Normal | Phys | 120 | 100 | 15 |
* a legal move, just moved to level-up · ** new to this game
TMs & HMs 38
| # | Move · where to get it | Type | Pow |
|---|---|---|---|
| TM05 | Roar | Normal | — |
| TM06 | Toxic | Poison | — |
| TM10 | Hidden Power | Normal | 60 |
| TM11 | Sunny Day | Fire | — |
| TM12 | Taunt | Dark | — |
| TM17 | Protect | Normal | — |
| TM21 | Frustration | Normal | — |
| TM23 | Iron Tail | Steel | 100 |
| TM26 | Earthquake | Ground | 100 |
| TM27 | Return | Normal | — |
| TM28 | Dig | Ground | 80 |
| TM32 | Double Team | Normal | — |
| TM37 | Sandstorm | Rock | — |
| TM39 | Rock Tomb | Rock | 60 |
| TM41 | Torment | Dark | — |
| TM42 | Facade | Normal | 70 |
| TM43 | Secret Power | Normal | 70 |
| TM44 | Rest | Psychic | — |
| TM45 | Attract | Normal | — |
| TM58 | Endure | Normal | — |
| TM59 | Dragon Pulse | Dragon | 85 |
| TM64 | Explosion | Normal | 250 |
| TM66 | Payback | Dark | 50 |
| TM69 | Rock Polish | Rock | — |
| TM71 | Stone Edge | Rock | 100 |
| TM74 | Gyro Ball | Steel | — |
| TM76 | Stealth Rock | Rock | — |
| TM77 | Psych Up | Normal | — |
| TM78 | Captivate | Normal | — |
| TM80 | Rock Slide | Rock | 75 |
| TM82 | Sleep Talk | Normal | — |
| TM83 | Natural Gift | Normal | — |
| TM87 | Swagger | Normal | — |
| TM90 | Substitute | Normal | — |
| TM91 | Flash Cannon | Steel | 80 |
| HM04 | Strength | Normal | 80 |
| HM06 | Rock Smash | Fighting | 40 |
| HM08 | Rock Climb | Normal | 90 |
Where to find Onix
| Area | Method | Level | |
|---|---|---|---|
| Union Cave | Grass (1F, morning / day) | 4-7 | 5% rare |
| Union Cave | Grass (1F, morning / day, Hoenn Sound) | 4-7 | 5% rare |
| Union Cave | Grass (1F, morning / day, Sinnoh Sound) | 4-7 | 5% rare |
| Union Cave | Grass (B1F, morning / day) | 6-9 | 5% rare |
| Union Cave | Grass (B1F, morning / day, Hoenn Sound) | 6-9 | 5% rare |
| Union Cave | Grass (B1F, morning / day, Sinnoh Sound) | 6-9 | 5% rare |
| Union Cave | Grass (B2F) | 20-23 | 5% rare |
| Union Cave | Grass (B2F, Hoenn Sound) | 20-23 | 5% rare |
| Union Cave | Grass (B2F, Sinnoh Sound) | 20-23 | 5% rare |
| Mt. Silver | Grass (1F) | 15-45 | |
| Mt. Silver | Grass (1F, Hoenn Sound) | 15-45 | |
| Mt. Silver | Grass (1F, Sinnoh Sound) | 15-45 | |
| Mt. Silver | Grass (1F, swarm) | 42 | |
| Mt. Silver | Grass (Mountainside) | 15-51 | |
| Mt. Silver | Grass (Mountainside, Hoenn Sound) | 15-51 | |
| Mt. Silver | Grass (Mountainside, Sinnoh Sound) | 15-51 | |
| Cliff Cave | Grass (morning / day) | 18-23 | |
| Cliff Cave | Grass (night) | 18-23 | |
| Rock Tunnel | Grass (B1F) | 10-16 | |
| Victory Road | Grass | 32-36 | |
| Victory Road | Grass (Hoenn Sound) | 32-36 | |
| Victory Road | Grass (Sinnoh Sound) | 32-36 |
Other changes in this game
- Evolves into Steelix — with Metal Coat
- Egg moves: Rock Slide, Flail, Explosion, Block, Defense Curl, Rollout, Rock Blast
- Tutor moves: Mud-Slap, Rollout, Iron Head, Snore, Ancient Power, Earth Power, Twister, Block, Headbutt