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In-game model of Aron
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National Pokédex #0304 · Generation 3

Aron

steelrock

Aron has a body of steel. With one all-out charge, this Pokémon can demolish even a heavy dump truck. The destroyed dump truck then becomes a handy meal for the Pokémon.

Natural spawnEvolution chain

Quick answer

How do you get Aron?

Aron can spawn in Meadow, Frozen Peaks, Jagged Peaks, and 38 other eligible biomes (Nearby: Iron Ores). Check the complete conditions below; these routes reflect AshRun's installed ATMons files.

AshRun ATMons 1.3.0 · Data updated · Sources & limitations

AshRun locations

How to obtain Aron

2 places to look

Where to look in the wild

Eligible biomes (41)

Meadow + 40 more

  • Meadow
  • Frozen Peaks
  • Jagged Peaks
  • Stony Peaks
  • Snowy Slopes
  • Cherry Grove
  • Flashing Forest
  • Emerald Peaks
  • Painted Mountains
  • Rocky Mountains
  • Scarlet Mountains
  • Volcanic Peaks
  • Alpine Grove
  • Ashen Savanna
  • Caldera
  • Savanna Slopes
  • Siberian Grove
  • Snowy Maple Forest
  • Snowy Shield
  • Tropical Jungle
  • Volcanic Crater
  • Windswept Hills
  • Windswept Forest
  • Windswept Gravelly Hills
  • Fractured Savanna
  • Haze Mountain
  • Stony Spires
  • Windswept Spires
  • Alpine Highlands
  • Arid Highlands
  • Blooming Plateau
  • Highlands
  • Blooming Valley
  • Forested Highlands
  • Lavender Valley
  • Lush Valley
  • Moonlight Valley
  • Sakura Valley
  • Temperate Highlands
  • Yosemite Lowlands
  • Yosemite Cliffs

Expanded from server category: Mountain

Level8-33RarityCommon
  • Nearby: Iron Ores
Eligible biomes (152)

Mushroom Fields + 151 more

  • Mushroom Fields
  • Deep Frozen Ocean
  • Frozen Ocean
  • Deep Cold Ocean
  • Cold Ocean
  • Deep Ocean
  • Ocean
  • Deep Lukewarm Ocean
  • Lukewarm Ocean
  • Warm Ocean
  • Stony Shore
  • Swamp
  • Mangrove Swamp
  • Snowy Slopes
  • Snowy Plains
  • Snowy Beach
  • Windswept Gravelly Hills
  • Grove
  • Windswept Hills
  • Snowy Taiga
  • Windswept Forest
  • Taiga
  • Plains
  • Meadow
  • Beach
  • Forest
  • Old Growth Spruce Taiga
  • Flower Forest
  • Birch Forest
  • Dark Forest
  • Savanna Plateau
  • Savanna
  • Jungle
  • Badlands
  • Desert
  • Wooded Badlands
  • Jagged Peaks
  • Stony Peaks
  • Frozen River
  • River
  • Ice Spikes
  • Old Growth Pine Taiga
  • Sunflower Plains
  • Old Growth Birch Forest
  • Sparse Jungle
  • Bamboo Jungle
  • Eroded Badlands
  • Windswept Savanna
  • Cherry Grove
  • Frozen Peaks
  • Dripstone Caves
  • Lush Caves
  • Deep Dark
  • Flashing Forest
  • Blazing Forest
  • Cascading Forest
  • Flourishing Forest
  • Vexing Caves
  • Archwood Forest
  • Meneglin
  • Dyna Plains
  • Plains Of Death
  • Cave Andesite Caves
  • Cave Deep Caves
  • Cave Diorite Caves
  • Cave Fungal Caves
  • Cave Granite Caves
  • Cave Infested Caves
  • Cave Mantle Caves
  • Cave Thermal Caves
  • Cave Tuff Caves
  • Cave Underground Jungle
  • Alpha Islands
  • Alpha Islands Winter
  • Alpine Grove
  • Alpine Highlands
  • Amethyst Canyon
  • Amethyst Rainforest
  • Ancient Sands
  • Arid Highlands
  • Ashen Savanna
  • Basalt Cliffs
  • Birch Taiga
  • Blooming Plateau
  • Blooming Valley
  • Brushland
  • Bryce Canyon
  • Caldera
  • Cloud Forest
  • Cold Shrubland
  • Desert Canyon
  • Desert Oasis
  • Desert Spires
  • Emerald Peaks
  • Forested Highlands
  • Fractured Savanna
  • Frozen Cliffs
  • Glacial Chasm
  • Granite Cliffs
  • Gravel Beach
  • Gravel Desert
  • Haze Mountain
  • Highlands
  • Hot Shrubland
  • Ice Marsh
  • Jungle Mountains
  • Lavender Forest
  • Lavender Valley
  • Lush Desert
  • Lush Valley
  • Mirage Isles
  • Moonlight Grove
  • Moonlight Valley
  • Orchid Swamp
  • Painted Mountains
  • Red Oasis
  • Rocky Jungle
  • Rocky Mountains
  • Rocky Shrubland
  • Sakura Grove
  • Sakura Valley
  • Sandstone Valley
  • Savanna Badlands
  • Savanna Slopes
  • Scarlet Mountains
  • Shield
  • Shield Clearing
  • Shrubland
  • Siberian Grove
  • Siberian Taiga
  • Snowy Badlands
  • Snowy Cherry Grove
  • Snowy Maple Forest
  • Snowy Shield
  • Steppe
  • Stony Spires
  • Temperate Highlands
  • Tropical Jungle
  • Valley Clearing
  • Volcanic Crater
  • Volcanic Peaks
  • Warm River
  • Warped Mesa
  • White Cliffs
  • White Mesa
  • Windswept Spires
  • Wintry Forest
  • Wintry Lowlands
  • Yellowstone
  • Yosemite Cliffs
  • Yosemite Lowlands
  • Cave Frostfire Caves

Expanded from server category: Overworld

Level8-33RarityCommon
  • Light: Dark
  • Nearby: Iron Ores

Battle profile

Base stats

330 total
Hp50
Attack70
Defence100
Special Attack40
Special Defence40
Speed30

Abilities

  • Sturdy
  • Rockhead
  • Heavymetal Hidden

Training

Base experience
66
Growth
Slow
EV yield
Hp: 0 · Attack: 0 · Defence: 1 · Special Attack: 0 · Special Defence: 0 · Speed: 0
Friendship
35

Progression

Evolution & forms

Complete installed learnset

Moves

116 entries
Level moves (17)
Lv. 1 · TackleLv. 1 · HardenLv. 4 · MetalclawLv. 8 · RocktombLv. 12 · RoarLv. 16 · HeadbuttLv. 20 · ProtectLv. 24 · RockslideLv. 28 · IronheadLv. 33 · MetalsoundLv. 36 · TakedownLv. 40 · AutotomizeLv. 44 · IrontailLv. 48 · IrondefenseLv. 52 · HeavyslamLv. 56 · DoubleedgeLv. 60 · Metalburst
Egg moves (7)
CurseDragonrushEndeavorHeadsmashMudslapSmellingsaltsStomp
Tm moves (52)
AerialaceAncientpowerBodypressBodyslamBulldozeCurseCutDigDoubleedgeEarthpowerEarthquakeEndeavorEndureFacadeFurycutterHeadbuttHeavyslamHoneclawsIrondefenseIronheadIrontailMagnetriseMetalclawMetalsoundMudslapProtectRaindanceRestReversalRoarRockpolishRockslideRocksmashRocktombRolloutSandstormScreechShadowclawShockwaveSleeptalkSpiteStealthrockSteelbeamSteelrollerStrengthSubstituteSunnydaySuperpowerTakedownTerablastUproarWaterpulse
Tutor moves (25)
AerialaceAncientpowerBulldozeEarthpowerEndeavorFurycutterIrondefenseIronheadIrontailMagnetriseMudslapRestRockslideRocksmashRolloutShadowclawShockwaveSleeptalkSpiteStealthrockSteelbeamSteelrollerSuperpowerUproarWaterpulse
Legacy moves (15)
AttractCaptivateConfideDefensecurlDoubleteamFrustrationHiddenpowerMimicNaturalgiftReturnRoundSecretpowerSnoreSwaggerToxic

Useful extras

Drops & breeding

Raw Iron

Quantity 0-1

Hard Stone

2.5% chance

Chople Berry

2.5% chance

Egg groups
Monster
Egg cycles
35
Catch rate
180
Maximum drops
3
Technical server dataRaw records, internal IDs, source files, presets, and full JSON

Source summary

Base species: Cobblemon-neoforge-1.7.3+1.21.1.jar. Installed additions: none.

Acquisition records

{
  "questGuides": [],
  "structureEncounters": [],
  "naturalSpawns": [
    {
      "id": "aron-1",
      "pokemon": "aron",
      "presets": [
        "natural",
        "wild"
      ],
      "type": "pokemon",
      "spawnablePositionType": "grounded",
      "bucket": "common",
      "level": "8-33",
      "weight": 9,
      "condition": {
        "biomes": [
          "#cobblemon:is_mountain"
        ],
        "neededNearbyBlocks": [
          "#minecraft:iron_ores"
        ]
      },
      "anticondition": {
        "biomes": [
          "#cobblemon:is_deep_dark"
        ]
      },
      "source": "Cobblemon-neoforge-1.7.3+1.21.1.jar",
      "sourceFile": "data/cobblemon/spawn_pool_world/0304_aron.json",
      "resolvedBiomes": [
        "minecraft:meadow",
        "minecraft:frozen_peaks",
        "minecraft:jagged_peaks",
        "minecraft:stony_peaks",
        "minecraft:snowy_slopes",
        "minecraft:cherry_grove",
        "ars_elemental:flashing_forest",
        "terralith:emerald_peaks",
        "terralith:painted_mountains",
        "terralith:rocky_mountains",
        "terralith:scarlet_mountains",
        "terralith:volcanic_peaks",
        "terralith:alpine_grove",
        "terralith:ashen_savanna",
        "terralith:caldera",
        "terralith:savanna_slopes",
        "terralith:siberian_grove",
        "terralith:snowy_maple_forest",
        "terralith:snowy_shield",
        "terralith:tropical_jungle",
        "terralith:volcanic_crater",
        "minecraft:windswept_hills",
        "minecraft:windswept_forest",
        "minecraft:windswept_gravelly_hills",
        "terralith:fractured_savanna",
        "terralith:haze_mountain",
        "terralith:stony_spires",
        "terralith:windswept_spires",
        "terralith:alpine_highlands",
        "terralith:arid_highlands",
        "terralith:blooming_plateau",
        "terralith:highlands",
        "terralith:blooming_valley",
        "terralith:forested_highlands",
        "terralith:lavender_valley",
        "terralith:lush_valley",
        "terralith:moonlight_valley",
        "terralith:sakura_valley",
        "terralith:temperate_highlands",
        "terralith:yosemite_lowlands",
        "terralith:yosemite_cliffs"
      ]
    },
    {
      "id": "aron-2",
      "pokemon": "aron",
      "presets": [
        "natural"
      ],
      "type": "pokemon",
      "spawnablePositionType": "grounded",
      "bucket": "common",
      "level": "8-33",
      "weight": 9,
      "condition": {
        "minSkyLight": 0,
        "maxSkyLight": 7,
        "biomes": [
          "#cobblemon:is_overworld"
        ],
        "neededNearbyBlocks": [
          "#minecraft:iron_ores"
        ]
      },
      "anticondition": {
        "biomes": [
          "#cobblemon:is_deep_dark"
        ]
      },
      "source": "Cobblemon-neoforge-1.7.3+1.21.1.jar",
      "sourceFile": "data/cobblemon/spawn_pool_world/0304_aron.json",
      "resolvedBiomes": [
        "minecraft:mushroom_fields",
        "minecraft:deep_frozen_ocean",
        "minecraft:frozen_ocean",
        "minecraft:deep_cold_ocean",
        "minecraft:cold_ocean",
        "minecraft:deep_ocean",
        "minecraft:ocean",
        "minecraft:deep_lukewarm_ocean",
        "minecraft:lukewarm_ocean",
        "minecraft:warm_ocean",
        "minecraft:stony_shore",
        "minecraft:swamp",
        "minecraft:mangrove_swamp",
        "minecraft:snowy_slopes",
        "minecraft:snowy_plains",
        "minecraft:snowy_beach",
        "minecraft:windswept_gravelly_hills",
        "minecraft:grove",
        "minecraft:windswept_hills",
        "minecraft:snowy_taiga",
        "minecraft:windswept_forest",
        "minecraft:taiga",
        "minecraft:plains",
        "minecraft:meadow",
        "minecraft:beach",
        "minecraft:forest",
        "minecraft:old_growth_spruce_taiga",
        "minecraft:flower_forest",
        "minecraft:birch_forest",
        "minecraft:dark_forest",
        "minecraft:savanna_plateau",
        "minecraft:savanna",
        "minecraft:jungle",
        "minecraft:badlands",
        "minecraft:desert",
        "minecraft:wooded_badlands",
        "minecraft:jagged_peaks",
        "minecraft:stony_peaks",
        "minecraft:frozen_river",
        "minecraft:river",
        "minecraft:ice_spikes",
        "minecraft:old_growth_pine_taiga",
        "minecraft:sunflower_plains",
        "minecraft:old_growth_birch_forest",
        "minecraft:sparse_jungle",
        "minecraft:bamboo_jungle",
        "minecraft:eroded_badlands",
        "minecraft:windswept_savanna",
        "minecraft:cherry_grove",
        "minecraft:frozen_peaks",
        "minecraft:dripstone_caves",
        "minecraft:lush_caves",
        "minecraft:deep_dark",
        "ars_elemental:flashing_forest",
        "ars_elemental:blazing_forest",
        "ars_elemental:cascading_forest",
        "ars_elemental:flourishing_forest",
        "ars_elemental:vexing_caves",
        "ars_nouveau:archwood_forest",
        "integrateddynamics:meneglin",
        "legendarymonuments:dyna_plains",
        "legendarymonuments:plains_of_death",
        "terralith:cave/andesite_caves",
        "terralith:cave/deep_caves",
        "terralith:cave/diorite_caves",
        "terralith:cave/fungal_caves",
        "terralith:cave/granite_caves",
        "terralith:cave/infested_caves",
        "terralith:cave/mantle_caves",
        "terralith:cave/thermal_caves",
        "terralith:cave/tuff_caves",
        "terralith:cave/underground_jungle",
        "terralith:alpha_islands",
        "terralith:alpha_islands_winter",
        "terralith:alpine_grove",
        "terralith:alpine_highlands",
        "terralith:amethyst_canyon",
        "terralith:amethyst_rainforest",
        "terralith:ancient_sands",
        "terralith:arid_highlands",
        "terralith:ashen_savanna",
        "terralith:basalt_cliffs",
        "terralith:birch_taiga",
        "terralith:blooming_plateau",
        "terralith:blooming_valley",
        "terralith:brushland",
        "terralith:bryce_canyon",
        "terralith:caldera",
        "terralith:cloud_forest",
        "terralith:cold_shrubland",
        "terralith:desert_canyon",
        "terralith:desert_oasis",
        "terralith:desert_spires",
        "terralith:emerald_peaks",
        "terralith:forested_highlands",
        "terralith:fractured_savanna",
        "terralith:frozen_cliffs",
        "terralith:glacial_chasm",
        "terralith:granite_cliffs",
        "terralith:gravel_beach",
        "terralith:gravel_desert",
        "terralith:haze_mountain",
        "terralith:highlands",
        "terralith:hot_shrubland",
        "terralith:ice_marsh",
        "terralith:jungle_mountains",
        "terralith:lavender_forest",
        "terralith:lavender_valley",
        "terralith:lush_desert",
        "terralith:lush_valley",
        "terralith:mirage_isles",
        "terralith:moonlight_grove",
        "terralith:moonlight_valley",
        "terralith:orchid_swamp",
        "terralith:painted_mountains",
        "terralith:red_oasis",
        "terralith:rocky_jungle",
        "terralith:rocky_mountains",
        "terralith:rocky_shrubland",
        "terralith:sakura_grove",
        "terralith:sakura_valley",
        "terralith:sandstone_valley",
        "terralith:savanna_badlands",
        "terralith:savanna_slopes",
        "terralith:scarlet_mountains",
        "terralith:shield",
        "terralith:shield_clearing",
        "terralith:shrubland",
        "terralith:siberian_grove",
        "terralith:siberian_taiga",
        "terralith:snowy_badlands",
        "terralith:snowy_cherry_grove",
        "terralith:snowy_maple_forest",
        "terralith:snowy_shield",
        "terralith:steppe",
        "terralith:stony_spires",
        "terralith:temperate_highlands",
        "terralith:tropical_jungle",
        "terralith:valley_clearing",
        "terralith:volcanic_crater",
        "terralith:volcanic_peaks",
        "terralith:warm_river",
        "terralith:warped_mesa",
        "terralith:white_cliffs",
        "terralith:white_mesa",
        "terralith:windswept_spires",
        "terralith:wintry_forest",
        "terralith:wintry_lowlands",
        "terralith:yellowstone",
        "terralith:yosemite_cliffs",
        "terralith:yosemite_lowlands",
        "terralith:cave/frostfire_caves"
      ]
    }
  ],
  "raids": [],
  "fossils": []
}

Evolution and forms

{
  "evolutions": [
    {
      "id": "aron_lairon",
      "variant": "level_up",
      "result": "lairon",
      "consumeHeldItem": false,
      "learnableMoves": [],
      "requirements": [
        {
          "variant": "level",
          "minLevel": 32
        }
      ]
    }
  ],
  "forms": []
}

Behavior and drops

{
  "behaviour": {
    "moving": {
      "swim": {
        "avoidsWater": true,
        "canSwimInLava": true
      }
    },
    "itemInteract": {
      "desiredItems": [
        {
          "item": "minecraft:iron_ingot",
          "pickupPriority": 1,
          "fullnessValue": 1,
          "onUseEffect": "q.entity.heal(1)"
        }
      ]
    },
    "herd": {
      "maxSize": "4",
      "toleratedLeaders": [
        {
          "pokemon": "lairon",
          "tier": 1
        },
        {
          "pokemon": "aggron mega=false",
          "tier": 2
        },
        {
          "pokemon": "aggron mega",
          "tier": 3
        }
      ]
    },
    "resting": {
      "willSleepOnBed": true,
      "times": [
        "any"
      ],
      "drowsyChance": 0.0014,
      "rouseChance": 0.0042
    },
    "combat": {
      "willDefendOwner": true
    },
    "fireImmune": true
  },
  "drops": {
    "amount": 3,
    "entries": [
      {
        "item": "minecraft:raw_iron",
        "quantityRange": "0-1"
      },
      {
        "item": "cobblemon:hard_stone",
        "percentage": 2.5
      },
      {
        "item": "cobblemon:chople_berry",
        "percentage": 2.5
      }
    ]
  },
  "labels": [
    "gen3"
  ]
}

Complete installed species record

{
  "implemented": true,
  "nationalPokedexNumber": 304,
  "name": "Aron",
  "primaryType": "steel",
  "secondaryType": "rock",
  "maleRatio": 0.5,
  "height": 4,
  "weight": 600,
  "pokedex": [
    "cobblemon.species.aron.desc"
  ],
  "labels": [
    "gen3"
  ],
  "aspects": [],
  "abilities": [
    "sturdy",
    "rockhead",
    "h:heavymetal"
  ],
  "eggGroups": [
    "monster"
  ],
  "baseStats": {
    "hp": 50,
    "attack": 70,
    "defence": 100,
    "special_attack": 40,
    "special_defence": 40,
    "speed": 30
  },
  "evYield": {
    "hp": 0,
    "attack": 0,
    "defence": 1,
    "special_attack": 0,
    "special_defence": 0,
    "speed": 0
  },
  "baseExperienceYield": 66,
  "experienceGroup": "slow",
  "catchRate": 180,
  "eggCycles": 35,
  "baseFriendship": 35,
  "baseScale": 0.75,
  "hitbox": {
    "width": 0.5,
    "height": 0.7,
    "fixed": false
  },
  "behaviour": {
    "moving": {
      "swim": {
        "avoidsWater": true,
        "canSwimInLava": true
      }
    },
    "itemInteract": {
      "desiredItems": [
        {
          "item": "minecraft:iron_ingot",
          "pickupPriority": 1,
          "fullnessValue": 1,
          "onUseEffect": "q.entity.heal(1)"
        }
      ]
    },
    "herd": {
      "maxSize": "4",
      "toleratedLeaders": [
        {
          "pokemon": "lairon",
          "tier": 1
        },
        {
          "pokemon": "aggron mega=false",
          "tier": 2
        },
        {
          "pokemon": "aggron mega",
          "tier": 3
        }
      ]
    },
    "resting": {
      "willSleepOnBed": true,
      "times": [
        "any"
      ],
      "drowsyChance": 0.0014,
      "rouseChance": 0.0042
    },
    "combat": {
      "willDefendOwner": true
    },
    "fireImmune": true
  },
  "drops": {
    "amount": 3,
    "entries": [
      {
        "item": "minecraft:raw_iron",
        "quantityRange": "0-1"
      },
      {
        "item": "cobblemon:hard_stone",
        "percentage": 2.5
      },
      {
        "item": "cobblemon:chople_berry",
        "percentage": 2.5
      }
    ]
  },
  "moves": [
    "1:tackle",
    "1:harden",
    "4:metalclaw",
    "8:rocktomb",
    "12:roar",
    "16:headbutt",
    "20:protect",
    "24:rockslide",
    "28:ironhead",
    "33:metalsound",
    "36:takedown",
    "40:autotomize",
    "44:irontail",
    "48:irondefense",
    "52:heavyslam",
    "56:doubleedge",
    "60:metalburst",
    "egg:curse",
    "egg:dragonrush",
    "egg:endeavor",
    "egg:headsmash",
    "egg:mudslap",
    "egg:smellingsalts",
    "egg:stomp",
    "tm:aerialace",
    "tm:ancientpower",
    "tm:bodypress",
    "tm:bodyslam",
    "tm:bulldoze",
    "tm:curse",
    "tm:cut",
    "tm:dig",
    "tm:doubleedge",
    "tm:earthpower",
    "tm:earthquake",
    "tm:endeavor",
    "tm:endure",
    "tm:facade",
    "tm:furycutter",
    "tm:headbutt",
    "tm:heavyslam",
    "tm:honeclaws",
    "tm:irondefense",
    "tm:ironhead",
    "tm:irontail",
    "tm:magnetrise",
    "tm:metalclaw",
    "tm:metalsound",
    "tm:mudslap",
    "tm:protect",
    "tm:raindance",
    "tm:rest",
    "tm:reversal",
    "tm:roar",
    "tm:rockpolish",
    "tm:rockslide",
    "tm:rocksmash",
    "tm:rocktomb",
    "tm:rollout",
    "tm:sandstorm",
    "tm:screech",
    "tm:shadowclaw",
    "tm:shockwave",
    "tm:sleeptalk",
    "tm:spite",
    "tm:stealthrock",
    "tm:steelbeam",
    "tm:steelroller",
    "tm:strength",
    "tm:substitute",
    "tm:sunnyday",
    "tm:superpower",
    "tm:takedown",
    "tm:terablast",
    "tm:uproar",
    "tm:waterpulse",
    "tutor:aerialace",
    "tutor:ancientpower",
    "tutor:bulldoze",
    "tutor:earthpower",
    "tutor:endeavor",
    "tutor:furycutter",
    "tutor:irondefense",
    "tutor:ironhead",
    "tutor:irontail",
    "tutor:magnetrise",
    "tutor:mudslap",
    "tutor:rest",
    "tutor:rockslide",
    "tutor:rocksmash",
    "tutor:rollout",
    "tutor:shadowclaw",
    "tutor:shockwave",
    "tutor:sleeptalk",
    "tutor:spite",
    "tutor:stealthrock",
    "tutor:steelbeam",
    "tutor:steelroller",
    "tutor:superpower",
    "tutor:uproar",
    "tutor:waterpulse",
    "legacy:attract",
    "legacy:captivate",
    "legacy:confide",
    "legacy:defensecurl",
    "legacy:doubleteam",
    "legacy:frustration",
    "legacy:hiddenpower",
    "legacy:mimic",
    "legacy:naturalgift",
    "legacy:return",
    "legacy:round",
    "legacy:secretpower",
    "legacy:snore",
    "legacy:swagger",
    "legacy:toxic"
  ],
  "evolutions": [
    {
      "id": "aron_lairon",
      "variant": "level_up",
      "result": "lairon",
      "consumeHeldItem": false,
      "learnableMoves": [],
      "requirements": [
        {
          "variant": "level",
          "minLevel": 32
        }
      ]
    }
  ]
}