#244 · Pokémon Emerald Seaglass · changed in this game
Onix
RockGroundRock Head, Sturdy, Weak Armor (hidden)
In Emerald Seaglass: First found in Granite Cave (Grass, Lv 6-10), and in 2 more areas. Its type (Rock / Ground) and abilities are the same as in the official games. Base stats total 400, up from 385; only Attack changed (45 → 60). 12 of its 23 level-up moves are new compared with Pokémon Emerald, including Mud Sport and Curse.
Level-up moves 23
| Lv | Move | Type | Cat | Pow | Acc | PP |
|---|---|---|---|---|---|---|
| 1 | Bind Binds and squeezes the foe for turns. | Normal | Phys | 15 | 85 | 20 |
| 1 | Harden Stiffens the body's muscles to raise Defense. | Normal | Stat | — | — | 30 |
| 1 | Mud Sport Covers the user in mud to raise electrical resistance. | Ground | Stat | — | 100 | 15 |
| 1 | Tackle Charges the foe with a full- body tackle. | Normal | Phys | 40 | 100 | 35 |
| 4 | Curse A move that functions differently for GHOSTS. | Ghost | Stat | — | — | 10 |
| 7 | Rock Throw Throws small rocks to strike the foe. | Rock | Phys | 50 | 90 | 15 |
| 10 | Rock Tomb Stops the foe from moving with rocks and cuts Speed. | Rock | Phys | 60 | 95 | 15 |
| 13 | Rage Raises the user's Attack every time it is hit. | Normal | Phys | 20 | 100 | 20 |
| 15 | Bite Bites with vicious fangs. May cause flinching. | Dark | Phys | 60 | 100 | 25 |
| 16 | Stealth Rock Sets floating stones that hurt a foe switching in. | Rock | Stat | — | — | 20 |
| 19 | Rock Polish Polishes the body to sharply raise Speed. | Rock | Stat | — | — | 20 |
| 20 | Gyro Ball A high-speed spin that does more damage to faster foes. | Steel | Phys | 1 | 100 | 5 |
| 22 | Smack Down Throws a rock to knock the foe down to the ground. | Rock | Phys | 50 | 100 | 15 |
| 25 | Dragon Breath Strikes the foe with an incredible blast of breath. | Dragon | Spec | 60 | 100 | 20 |
| 28 | Slam Slams the foe with a long tail, vine, etc. | Normal | Phys | 75 | 100 | 20 |
| 31 | Screech Emits a screech to sharply reduce the foe's Defense. | Normal | Stat | — | 85 | 40 |
| 34 | Rock Slide Large boulders are hurled. May cause flinching. | Rock | Phys | 75 | 90 | 10 |
| 37 | Sand Tomb Traps and hurts the foe in quicksand for turns. | Ground | Phys | 35 | 100 | 15 |
| 40 | Iron Tail Attacks with a rock-hard tail. May lower Defense. | Steel | Phys | 100 | 75 | 15 |
| 43 | Dig Digs underground the first turn and strikes next turn. | Ground | Phys | 80 | 100 | 10 |
| 46 | Stone Edge Stabs the foe with stones. High critical-hit ratio. | Rock | Phys | 100 | 80 | 5 |
| 49 | Double-Edge A life-risking tackle that also hurts the user. | Normal | Phys | 120 | 100 | 15 |
| 52 | Sandstorm Causes a sandstorm that rages for several turns. | Rock | Stat | — | — | 10 |
* a legal move, just moved to level-up · ** new to this game
TMs & HMs 16
| # | Move · where to get it | Type | Pow |
|---|---|---|---|
| TM05 | Roar Route 114 | Normal | — |
| TM06 | Toxic Sootopolis City (shop) | Poison | — |
| TM11 | Sunny Day Sootopolis City (shop) | Fire | — |
| TM12 | Taunt Route 110 | Dark | — |
| TM17 | Protect Lilycove City (shop) | Normal | — |
| TM23 | Iron Tail Sootopolis City (shop) | Steel | 100 |
| TM26 | Earthquake Sootopolis City (shop) | Ground | 100 |
| TM28 | Dig Route 114 | Ground | 80 |
| TM32 | Double Team Sootopolis City (shop) | Normal | — |
| TM37 | Sandstorm Sootopolis City (shop) | Rock | — |
| TM39 | Rock Tomb Rustboro City Gym | Rock | 60 |
| TM41 | Torment Slateport City | Dark | — |
| TM42 | Facade Petalburg City Gym | Normal | 70 |
| TM44 | Rest Lilycove City | Psychic | — |
| TM45 | Attract Lilycove City | Normal | — |
| TM56 | Stomping Tantrum Not handed out or hidden anywhere in the game's own map scripts — not placed | Ground | 75 |
Where to find Onix
| Area | Method | Level | |
|---|---|---|---|
| Granite Cave | Grass | 6-10 | |
| Safari Zone | Grass | 33-40 | 5% rare |
| Seafloor Cavern | Grass | 28-36 |
Other changes in this game
- Egg moves: Flail, Block, Defense Curl, Rollout, Rock Blast, Rock Climb, Heavy Slam, Stealth Rock, Rototiller, Wide Guard
- Evolves into Steelix when traded holding a Metal Coat
- Evolves into Steelix with a Metal Coat