
Is Aron Good in HeartGold & SoulSilver Playthrough?
Steel/Rock with AbilitySturdy. Aggron at level 42 has enormous Defense. Heavy investment for a late-arriving defender with 4x Fighting and Ground weaknesses.
Aron has the type edge here and should clean up Falkner's team.
Aron resists most of Bugsy's coverage and hits back hard.
Aron has the type edge here and should clean up Whitney's team.
Aron has the type edge here and should clean up Morty's team.
Chuck's team hits Aron's weaknesses hard.
Aron trades roughly evenly with Jasmine's team.
Aron has the type edge here and should clean up Pryce's team.
Aron trades roughly evenly with Clair's team.
Aron trades roughly evenly with Brock's team.
Misty's team hits Aron's weaknesses hard.
Aron trades roughly evenly with Lt. Surge's team.
Aron trades roughly evenly with Erika's team.
Aron has the type edge here and should clean up Janine's team.
Aron trades roughly evenly with Sabrina's team.
Aron trades roughly evenly with Blaine's team.
Aron trades roughly evenly with Blue's team.
Aron trades roughly evenly with Will's team.
Aron has the type edge here and should clean up Koga's team.
Bruno's team hits Aron's weaknesses hard.
Lairon has the type edge here and should clean up Karen's team.
Aggron has the type edge here and should clean up Lance's team.
Catchable
Catch Aron in the Safari Zone (walking, Lv 44-45). Requires 24 Peak objects placed in Rocky Beach.
Recommended Moves
- STARTING (Lv 44)
- LV 44SteelIron TailPower 150Accuracy 75%PP 15
- LV 44SteelIron HeadPower 120Accuracy 100%PP 15
- LV 44SteelMetal ClawPower 75Accuracy 95%PP 35
- LV 44NormalDouble-EdgePower 120Accuracy 100%PP 15
- LV 44NormalTake DownPower 90Accuracy 85%PP 20
- After Bugsy
- TM28GroundDigPower 80Accuracy 100%PP 10National Park
- After Whitney
- HM04NormalStrengthPower 80Accuracy 100%PP 15Gift from a Hiker on Route 42
- After Clair
- TM26GroundEarthquakePower 100Accuracy 100%PP 10Victory Road
Evolve Aron to Lairon
Aron evolves into Lairon at Level 32. You get it at Level 44 or higher, past Level 32, so it evolves into Lairon the next time it levels up.
Recommended Moves
- STARTING (Lv 32)
- LV 32SteelIron HeadPower 120Accuracy 100%PP 15
- LV 32SteelMetal ClawPower 75Accuracy 95%PP 35
- LV 32NormalTake DownPower 90Accuracy 85%PP 20
- After Bugsy
- TM28GroundDigPower 80Accuracy 100%PP 10National Park
- After Whitney
- HM04NormalStrengthPower 80Accuracy 100%PP 15Gift from a Hiker on Route 42
- After Clair
- TM26GroundEarthquakePower 100Accuracy 100%PP 10Victory Road
- LV 45SteelIron TailPower 150Accuracy 75%PP 15
- LV 51NormalDouble-EdgePower 120Accuracy 100%PP 15
Evolve Lairon to Aggron
Lairon evolves into Aggron at Level 42. You get Aron at Level 44 or higher, past Level 42, so Lairon evolves into Aggron the next time it levels up.
Recommended Moves
- STARTING (Lv 42)
- LV 42SteelIron HeadPower 120Accuracy 100%PP 15
- After Bugsy
- TM15NormalHyper BeamPower 150Accuracy 90%PP 5Goldenrod Department Store
- TM38FireFire BlastPower 120Accuracy 85%PP 5Goldenrod Department Store
- TM22GrassSolar BeamPower 120Accuracy 100%PP 10Goldenrod Department Store
- After Chuck
- TM01FightingFocus PunchPower 150Accuracy 100%PP 20Prize for defeating Chuck
- After Clair
- TM26GroundEarthquakePower 100Accuracy 100%PP 10Victory Road
- LV 48SteelIron TailPower 150Accuracy 75%PP 15
- LV 57NormalDouble-EdgePower 120Accuracy 100%PP 15
How to Get Aron in HeartGold & SoulSilver
Breeding is one way to Aron, hatched from an Aron family egg at the Day-Care. That means tracking down a Lairon or Aggron first.
Wild Aron may be holding when caught:
1 location to catch Aron
Encountered via tall grass encounters
Where To Catch Aron in HGSS
The line opens with Aron at Lv. 44-45 via walking encounters. 2 catchable stages total, with locations listed for each one below.
Want the exact numbers? Work out your catch odds in HeartGold & SoulSilver for Aron.
How to Get Shiny Aron in HeartGold & SoulSilver
Aron breeds up its shiny, so pair it with a foreign-language parent the Masuda way for a shiny. Compare Shiny Aron odds across every game
HeartGold & SoulSilver Shiny Aron Calculator
2 MethodsThe best route is Masuda Method, about 1 in 1,639 on each try.
Masuda Method: Breed with a parent from a different-language game. Works on any breedable line.
Full Odds: Walk through grass, surf, or fish. Every encounter is its own independent shiny roll.
How many you have done, or plan to do.
| Chance | Encounters | Time |
|---|---|---|
| 10%lucky few | 173-- | -- |
| 25%one in four | 472-- | -- |
| 50%coin flip | 1,136-- | -- |
| 90%very likely | 3,773-- | -- |
Time assumes -- at your pace and does not change your shiny odds.
How is this calculated?
Every encounter has the same shiny chance, the Shiny Odds Per Try shown above. Each one is a separate roll that does not care how many you have already done, so the more you hunt, the higher your overall chance of at least one shiny. The formula below turns your odds and your number of tries into that combined chance.
chance after N tries = 1 − (1 − p)^N, where p = 1 / odds per try
Example at 1 in 8,192 (classic full odds): about 864 encounters for a 10 percent chance, 5,678 for 50 percent, and 18,862 for 90 percent.
The table above flips that around: it shows how many encounters it takes to reach a 10, 25, 50, and 90 percent chance at your current odds. Turning on boosts like the Shiny Charm, sandwiches, or chains improves your odds, so the encounter numbers drop.
These are estimates, not promises. Most games have no pity counter, meaning no guaranteed shiny no matter how many you hunt, so even Very Likely is not guaranteed: some hunters find one early, others go well past that point.
Curious how fast a hunt could go? Work out your HeartGold & SoulSilver shiny odds for Aron.
Aron Weakness
Aron is weak to Fighting, Ground, and Water. Watch out for Fighting and Ground attacks, those deal 4x damage. On the flip side, it's immune to Poison-type moves entirely. With 9 resistances, the defensive profile is strong. Aron's physical bulk (base 100 Def) helps cushion physical weakness hits, but special attackers are the bigger threat.
| Damage | Types |
|---|---|
| 4x (Critical) | Fighting, Ground |
| 2x (Weak) | Water |
| 0.5x (Resist) | Ice, Psychic, Bug, Rock, Ghost, Dragon, Dark |
| 0.25x (Resist) | Normal, Flying |
| 0x (Immune) | Poison |
- Fairy type does not exist — Dragon has fewer checks
- Physical / Special split now per-move (introduced Gen IV)
What is Aron Weak Against
GoodBest Pokemon Against Aron
Hariyama Fighting | B | |
Available Moves Moves
Damage vs Aron View Hariyama builds →Focus Punch 4x318-375%KO Dig 4x114-135%KO Surf 2x59-69% | ||
Marowak Ground | C | |
Available Moves Moves
Damage vs Aron View Marowak builds →Focus Punch 4x153-181%KO Dig 4x127-150%KO | ||
Hitmonlee Fighting | C | |
Obtain MethodEvolve Tyrogue (Mt Mortar Gift) | ||
Feraligatr Water | C | |
Obtain MethodEvolve Totodile (New Bark Town Gift) Available Moves Moves
Damage vs Aron View Feraligatr builds →Focus Punch 4x189-223%KO Dig 4x101-119%KO Waterfall 2x76-89% | ||
Sandslash Ground | B | |
Available Moves Moves
Damage vs Aron View Sandslash builds →Focus Punch 4x183-215%KO Dig 4x147-173%KO | ||
Primeape Fighting | C | |
Available Moves Moves
Damage vs Aron View Primeape builds →Focus Punch 4x284-335%KO Dig 4x101-119%KO | ||
Steelix SteelGround | B | |
Available Moves Moves
Damage vs Aron View Steelix builds →Dig 4x132-156%KO Rock Smash 4x45-54% | ||
Machoke Fighting | C | |
Available Moves Moves
Damage vs Aron View Machoke builds →Focus Punch 4x274-323%KO Dig 4x98-115%KO | ||
Quagsire WaterGround | C | |
Obtain MethodCliff Edge Gate Surfing Available Moves Moves
Damage vs Aron View Quagsire builds →Earthquake 4x162-190%KO Focus Punch 4x160-188%KO Waterfall 2x65-78% | ||
Mamoswine IceGround | B | |
Available Moves Moves
Damage vs Aron View Mamoswine builds →Earthquake 4x230-271%KO Rock Smash 4x65-77% | ||
Gliscor Ground | B | |
Available Moves Moves
Damage vs Aron View Gliscor builds →Dig 4x141-167%KO Rock Smash 4x49-58% | ||
Medicham FightingPsychic | C | |
Floatzel Water | C | |
Available Moves Moves
Damage vs Aron View Floatzel builds →Focus Punch 4x189-223%KO Dig 4x101-119%KO Waterfall 2x76-89% | ||
Kingler Water | C | |
Available Moves Moves
Damage vs Aron View Kingler builds →Dig 4x124-146%KO Rock Smash 4x65-77% Surf 2x100-118%KO | ||
Aron Evolutions
Three stages ahead. Aron grows into Lairon, then pushes on to Aggron. Check the evolution methods below. For breeding, slow to hatch with plenty of partners via one egg group. Evolving adds up to 200 stat points total. View every chain in the Evolution Chart.
How to Evolve
Breeding
Breed Aron with 63 breeding partners from the Monster egg group. Pass egg moves like Body Slam, Curse, Dragon Rush and 6 more to offspring.
HGSS Aron Best Moveset
Steel/Rock at 100 Defense with AbilitySturdy surviving one hit from full HP and AbilityRock Head removing recoil. The moveset blocks physical attacks at the first stage. 4x Fighting and Ground weaknesses are devastating. Lairon and then Aggron is where this Defense actually pays off.
Best Build
Aron best EVs are Speed
Support Moveset
- Endeavor
- Protect
- Roar
- Stealth Rock
Recommended Teammates
Moves List
Breeding opens up real options for Aron. Body Slam and Curse come exclusively from egg moves, and they're worth the effort. The rest of the kit covers basics through Head Smash and Iron Tail and coverage across 7 types.
How to Read the Moves Table
Tabs
- Level-Up
- Learned by leveling up.
- TM
- Taught by a Technical Machine.
- Egg
- Inherited via breeding.
- Tutor
- NPC tutor (cost: items, BP, money).
- Reminder
- An NPC reteaches any move this Pokemon could have learned by leveling up.
- Transfer
- Carried over from an older game using Pokemon HOME.
- Event
- Given out through Mystery Gift events.
Visual Signals
CAT (Category)
How the move deals damage and which stats it uses.
A small dot on the icon's corner marks the move as contact. That triggers abilities like Static, Flame Body, Rough Skin, or Iron Barbs, plus items like Rocky Helmet and Sticky Barb.
Tier (S to D)
Each move's competitive rank in RankedBoost's system. TM, Egg, and Tutor sort by tier by default (best first). On Level-Up, click the Tier header to do the same.
PWR (Power)
Base damage. Numbers shown in a type color include STAB (base × 1.5). Hover any colored number to see the math.
— means no power (status moves) or variable power.
Sorting & Filter
Click any column header to sort. Level-Up opens with Lv 1 at the top. TM, Egg, and Tutor open with the highest-tier moves at the top.
Search filters by move name or type. The Filter button limits the list to STAB, Physical, Special, or Status moves.
Level-Up Moves
TM Moves
All 24 TMs are obtainable before the Elite Four
Egg Moves
Tutor Moves
Base Stats
When it evolves, it sheds the steel carapace that covered its whole body and develops a new one.
Aron HeartGold & SoulSilver Guide
- How do I catch Aron in the HeartGold & SoulSilver Safari Zone?
See the Locations section above for where to find Aron in HeartGold & SoulSilver.
Safari rules: You can only use Safari Balls. No battling. Two tactical items shift the catch/flee trade-off:
- Throw bait to keep Aron from fleeing (flee rate cut to 1/4) but it becomes harder to catch (catch factor halved).
- Throw a rock to make Aron easier to catch (catch factor doubled) but it flees twice as often.
- Each effect lasts 2-6 random turns; throwing one cancels the other.
Yes. Wild Aron in HeartGold & SoulSilver can hold Hard Stone (5%). Use Thief (TM46) or Covet to swipe the held item without affecting your catch chance. Quickest way to farm rare items like Hard Stone.
In HeartGold & SoulSilver, Aron has 330 BST and evolves into Lairon. Compare the two forms before you give either one a team slot.
Game Availability
Available in 15 titles since its debut in Ruby & Sapphire, Aron spans 7 generations of Pokemon games. It's accessible through catching or hatching as a base form in most mainline games.
Click a game to view version-specific details
- Gen 1RB

Red & Blue - Gen 1Y
Yellow - Gen 2GS

Gold & Silver - Gen 2C
Crystal - Gen 3RSDebut

Ruby & Sapphire - Gen 3E
Emerald - Gen 3FRLG

FireRed & LeafGreen - Gen 4DP

Diamond & Pearl - Gen 4Pt
Platinum - Gen 4HGSS

HeartGold & SoulSilver - Gen 5BW

Black & White - Gen 5B2W2

Black 2 & White 2 - Gen 6XY

X & Y - Gen 6ORAS

Omega Ruby & Alpha Sapphire - Gen 7SM

Sun & Moon - Gen 7USUM

Ultra Sun & Ultra Moon - Gen 7Let's Go

Let's Go Pikachu & Eevee - Gen 8SwSh

Sword & Shield - Gen 8BDSP

Brilliant Diamond & Shining Pearl - Gen 8PLA
Legends: Arceus - Gen 9SV

Scarlet & Violet - Gen 9LZA
Legends: Z-A - Gen 10WW

Winds & Waves
Explore
