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#0095 Onix

Onix artwork
Artwork: PokéAPI.
RockGround
Abilities
Weak ArmorPhysical hits cut Defense but sharply up Speed.SturdyIt can’t be knocked out in 1 hit from full HP.
Hidden ability
HustlePowers up physical moves but lowers accuracy.
Capture
Gender
50.0% female
Egg groups
Mineral
Growth
Medium Fast
EV yield
1 Defense
Onix’s base stats
HP75 (official 35)
Attack75 (official 45)
Defense130 (official 160)
Sp. Atk30
Sp. Def75 (official 45)
Speed75 (official 70)
Total460Official games: 385, +75 in this hack. All base stat changes

Where to find it

Chance per encounter, under the conditions shown.

Times and conditions
  • Morning: 4:00–9:59
  • Day: 10:00–19:59
  • Night: 20:00–3:59

Calendar encounters can replace a land slot on specific dates.

Safari candidates depend on the selected area and time. Object Arrangement does not unlock in this hack; bonus block encounters are excluded.

Where to find Onix in the wild
LocationMethod / conditionsLevelChance
Mt. Moon / Mt. Moon, east building, and 125%
Mt. Moon / Mt. Moon, east building, 125%
Rock Tunnel, 20–2311%
Rock Tunnel, 2010%
Rock Tunnel, 2010%
Rock Tunnel B1F, 1620%
Victory Road, 441%
Mt. Silver Cave Lower Mountainside, 4810%
Mt. Silver Cave, and 4230%
Mt. Silver Cave, 4230%
Union Cave, and 64%
Union Cave, 64%
Union Cave B1F, and 85%
Union Cave B1F, 85%
Whirl Islands, and 2410%
Whirl Islands, 2410%
Whirl Islands B2F, 2410%
Mt. Mortar, 14–165%
Mt. Mortar, 14–165%
Mt. Mortar, 14–165%
Mt. Mortar 1F, back cave, 144%
Mt. Mortar 1F, back cave, 144%
Mt. Mortar 1F, back cave, 144%
Mt. Mortar 2F, 144%
Mt. Mortar 2F, 144%
Mt. Mortar B1F, and 144%
Mt. Mortar B1F, 144%
Safari Zone: Wasteland: Wasteland area selected, , 15Not fixed
Safari Zone: Wasteland: Wasteland area selected, , 16Not fixed
Safari Zone: Wasteland: Wasteland area selected, , and 17Not fixed

Safari Zone: choose the listed area. Area selection unlocks during Baoba’s Sandshrew test, after his Geodude test. Object Arrangement never unlocks in this hack, so block-dependent bonus encounters are excluded. The listed candidates do not have a verified encounter percentage.

Evolution

Evolves into Steelix at Lv 45.

Level-up moves

“On evolution” moves are learned when this Pokémon evolves. Open a move for its full effects and any special behavior in this hack.

Onix’s level-up moves
LevelMoveTypeCategoryPowerAccuracyPPEffect and notes
1TackleNormalPhysical4010035A physical attack in which the user charges and slams into the foe with its whole body.
1HardenNormalStatus——30The user stiffens all the muscles in its body. Raises its Defense by 1 stage.
1BindNormalPhysical158520The foe is attacked 2 to 5 times by a long body or vines.
1Rock ThrowRockPhysical509015The user picks up and throws a small rock at the foe to attack.
4Smack DownRockPhysical5010015The user throws a stone or shell at a flying foe, knocking it down to the ground.
8Rock PolishRockStatus——20The user polishes its body to reduce drag. Raises its Speed by 2 stages.
12Dragon BreathDragonSpecial7510020Blows a powerful breath at the target. May paralyze the target.
16CurseGhostStatus——10Curses the foe. Non- Ghost types raise Attack and Defense by 1 stage and lower Speed by 1 stage.
20Rock SlideRockPhysical759010Large boulders are hurled at the foe. It has a 30% chance to make the target flinch.
24ScreechNormalStatus—8540An earsplitting screech is emitted to lower the foe’s Defense by 2 stages.
28Sand TombGroundPhysical358515The user whips up a harsh sandstorm. The foe takes damage for 2 to 5 turns and can’t escape.
32Stealth RockRockStatus——20The user lays a trap of levitating stones around the foe. The trap hurts foes that switch into battle.
36SlamGrassPhysical7010020Attacks by slamming the target with a long tail, vines, or similar appendage.
40SandstormRockStatus——10A 5-turn sandstorm is summoned to hurt all Pokémon except Rock, Ground, and Steel types.
44DigGroundPhysical8010010The user burrows on turn 1, then attacks on turn 2. It can also be used to exit caves.
48Iron TailSteelPhysical909015Attacks with a hard tail. May lower the target’s Defense.
52Stone EdgeRockPhysical100805The user stabs the foe with a sharpened stone. It has a high critical-hit ratio.
56Double-EdgeNormalPhysical12010015A reckless, life-risking tackle. It also damages the user by a fairly large amount, however.

TMs and HMs

TMs and HMs Onix can learn
TM / HMMoveTypeCategoryPowerAccuracyPPEffect and notes
TM05RoarNormalStatus——20The foe is scared off, to be replaced by another Pokémon in its party. In the wild, the battle ends.
TM10Hidden PowerNormalSpecial6010015A unique attack that varies in type and intensity depending on the Pokémon using it.
TM11Sunny DayFireStatus——5The user intensifies the sun for 5 turns. Fire-type moves become 1.5 times stronger.
TM12TauntDarkStatus—10020The foe is taunted into a rage that allows it to use only attack moves for 2 to 4 turns.
TM17ProtectNormalStatus——10It enables the user to evade all attacks for 1 turn. Its chance of failing rises if used in succession.
TM23Iron TailSteelPhysical909015Attacks with a hard tail. May lower the target’s Defense.
TM26EarthquakeGroundPhysical10010010The user sets off an earthquake that hits all Pokémon in battle. It can hit a foe using Dig.
TM27ReturnNormalPhysicalvar.10020A full-power attack that grows more powerful the more the user likes its Trainer.
TM28DigGroundPhysical8010010The user burrows on turn 1, then attacks on turn 2. It can also be used to exit caves.
TM32Double TeamNormalStatus——15By moving rapidly, the user makes illusory copies of itself. Raises its evasiveness by 1 stage.
TM37SandstormRockStatus——10A 5-turn sandstorm is summoned to hurt all Pokémon except Rock, Ground, and Steel types.
TM39Rock TombRockPhysical609515Boulders are hurled at the foe, hindering its movement. Lowers its Speed by 1 stage.
TM41TormentDarkStatus—10015The user torments and enrages the foe, making it incapable of using the same move twice in a row.
TM42FacadeNormalPhysical7010020An attack whose power is 2 times higher if the user is poisoned, burned, or paralyzed.
TM44RestPsychicStatus——5The user goes to sleep for 2 turns. It fully restores the user’s HP and heals any status problem.
TM45AttractNormalStatus—10015The user charms a foe of the opposite gender. The foe has a 50% chance of being unable to act.
TM58EndureNormalStatus——10The user endures any attack with at least 1 HP. Its chance of failing rises if it is used in succession.
TM59Dragon PulseDragonSpecial8510010The foe is attacked with a shock wave generated by the user’s gaping mouth.
TM64ExplosionNormalPhysical2501005A huge explosion hits all Pokémon in battle, and the user faints. The targets’ Defense is halved.
TM66PaybackDarkPhysical5010010The user charges up, then attacks. If it moves after the foe, its power is doubled.
TM69Rock PolishRockStatus——20The user polishes its body to reduce drag. Raises its Speed by 2 stages.
TM71Stone EdgeRockPhysical100805The user stabs the foe with a sharpened stone. It has a high critical-hit ratio.
TM74Gyro BallSteelPhysicalvar.1005The user tackles the foe with a high-speed spin. The slower the user, the greater the damage.
TM76Stealth RockRockStatus——20The user lays a trap of levitating stones around the foe. The trap hurts foes that switch into battle.
TM77Psych UpNormalStatus——10The user hypnotizes itself into copying any stat change made by the foe.
TM80Rock SlideRockPhysical759010Large boulders are hurled at the foe. It has a 30% chance to make the target flinch.
TM82Sleep TalkNormalStatus——10While it is asleep, the user randomly uses one of the moves it knows.
TM87SwaggerNormalStatus—8515The user enrages the foe into confusion. However, it also raises the foe’s Attack by 2 stages.
TM90SubstituteNormalStatus——10The user makes a copy of itself using 1/4 of its HP. The copy serves as the user’s decoy.
TM91Flash CannonSteelSpecial8010010The user gathers its light and fires it. 10% chance to lower the foe’s Sp. Def by 1 stage.
TM95Heavy SlamSteelPhysicalvar.10010Slams the target with its heavy body. The heavier the user is compared with the target, the greater the power.
TM103BulldozeGroundPhysical6010020Stomps the ground, attacking nearby Pokémon and lowering their Speed.
TM115High HorsepowerGroundPhysical959510Attacks the target with tremendous force.
TM119Brutal SwingDarkPhysical6010020Swings its body wildly to damage all opposing Pokémon.
TM123Body PressFightingPhysical8010010Slams into the target with its body. The higher the user’s Defense, the greater the damage.
TM125Meteor BeamRockSpecial1209010Gathers cosmic power in the first turn to raise Special Attack, then attacks on the second turn.
TM130Scorching SandsGroundSpecial7010010Hurls scorching sand at the target. May burn the target.
HM04StrengthNormalPhysical8010015The foe is slugged with a punch thrown at maximum power. It can also be used to move boulders.
HM06Rock SmashFightingPhysical6010015Attacks with a punch. May lower the target’s Defense.
HM08Rock ClimbNormalPhysical908520A charging attack with a 20% chance to confuse the foe. It can also be used to scale rocky walls.

Move tutors

Moves Onix can learn from tutors
MoveTypeCategoryPowerAccuracyPPEffect and notesTutor location, cost and requirements
Body SlamNormalPhysical8510015The user drops onto the foe with its full body weight. It has a 30% chance to paralyze the foe.

Route 12 · Cost: Free

Requirements: Route 12: wake the Snorlax (Poké Flute)

the fat man on Route 12

CurseGhostStatus——10Curses the foe. Non- Ghost types raise Attack and Defense by 1 stage and lower Speed by 1 stage.

Pokémon Tower, upper floors · Cost: Free

Requirements: Pokémon Tower: side battles and extras

the little girl in the Pokémon Tower, Lavender Town

Dragon DanceDragonStatus——20The user performs a mystic dance. Raises its Attack and Speed by 1 stage.
Earth PowerGroundSpecial9010010The ground under the foe erupts with power. 10% chance to lower its Sp. Def by 1 stage.

Route 46 · Cost: Cherish Ball ×1

Route 46

Iron HeadSteelPhysical8010015The user slams the foe with its steel-hard head. 30% chance to make the target flinch.

Egg moves

Onix’s egg moves
MoveTypeCategoryPowerAccuracyPPEffect and notes
BlockNormalStatus——5The user blocks the foe’s way with arms spread wide to prevent escape.
Defense CurlNormalStatus——40The user curls up to conceal weak spots. Raises its Defense by 1 stage.
Dragon TailDragonPhysical609010The foe is knocked away, forcing out another party Pokémon. In the wild, the battle ends.
FlailNormalPhysicalvar.10015The user flails about aimlessly to attack. It becomes more powerful the less HP the user has.
Head SmashRockPhysical1209510Strikes the target with a full-power headbutt. The user also takes damage.
Heavy SlamSteelPhysicalvar.10010Slams the target with its heavy body. The heavier the user is compared with the target, the greater the power.
Rock BlastRockPhysical259010The user hurls hard rocks at the foe 2 to 5 times in quick succession.
RolloutRockPhysical309020The user rolls into the foe for 5 turns. Its power doubles with each hit.
Wide GuardRockStatus——10For 1 turn, the user blocks attacks that would hit its whole team.

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