- Attack
- 158
- Defense
- 198
- HP
- 155
100% CP
- RaidsLv20
- 1,174
- min 1,110
- Weather boostLv25
- 1,468
- min 1,388
- MaxLv50
- 2,324
- Lv40 2,056
At a glance
Basics
Lairon is a Steel/Rock-type Pokémon. Its 100% IV CP is 1,174 at level 20 (raids, eggs and research), 1,468 at weather-boosted level 25 and up to 2,324 at level 50. It is most vulnerable to Fighting/Ground attacks (2.56×) and also weak to Water attacks (1.6×). It resists Ice/Psychic/Bug/Rock/Dragon/Fairy/Normal/Flying/Poison attacks. In raids, Metal Claw + Heavy Slam is its strongest moveset (level 40, 100% IVs). It evolves into Aggron with 100 Candy. As your buddy, it earns 1 Candy every 1 km you walk together.
- Category
- Iron Armor Pokémon
- Buddy distance
- 1 km
- Second Charged Attack
- 10,000 Stardust · 25 Candy
- Max CP · Lv50 / Lv51 (Best Buddy)
- 2,324 / 2,352
Lairon tempers its steel body by drinking highly nutritious mineral springwater until it is bloated. This Pokémon makes its nest close to springs of delicious water.
All values are for Pokémon GO; main-series values are not listed. The Pokédex entry is the game's own English text.
Related tips
- How to read IVs and appraisalsIVs run from 0 to 15 for each of Attack, Defense and HP, and appraisal stars are set by the sum of the three (0–45).
- What to power up first (power-up priorities for beginners)Stardust is limited, so first power up strong counters you'll use for a long time across many raids.
- Choosing IVs for PvP (low Attack wins in Great and Ultra League)In leagues with a CP cap, the lower the Attack IV, the higher you can level up within the same CP, which makes Defense and HP bigger.
Best movesetsLv40 · 15/15/15 IVs
- 1
Metal ClawHeavy SlamBest100% efficiency9.6TDO 242 - 2Iron TailHeavy Slam98% efficiency9.4TDO 237
- 3Metal Claw
Rock Slide97% efficiency9.4TDO 235 - 4Iron TailRock Slide96% efficiency9.3TDO 232
- 5Metal SoundHeavy Slam91% efficiency8.8TDO 220
Top 5 of 12 movesets.
Raid and Gym efficiency against an ordinary neutral 5-star boss. DPS is damage per second, TDO is total damage dealt before fainting, and efficiency compares (DPS³ × TDO)^¼ with the top moveset. Against a specific boss, moves of the types it's weak to do more.
Learnable moves
Fast Attack3
| Moves | Power | Energy | DPS | EPS |
|---|---|---|---|---|
| Metal ClawBestSteel · 0.5s · STAB | 6 | +5 | 14.4 | 10 |
| Iron TailSteel · 1s · STAB | 14 | +6 | 16.8 | 6 |
| Metal SoundSteel · 0.5s · STAB | 4 | +6 | 9.6 | 12 |
Charged Attack4
| Moves | Power | Energy | DPS | DPE |
|---|---|---|---|---|
| Heavy SlamBestSteel · 2s · STAB | 70 | 50 | 42 | 1.68 |
| Rock SlideRock · 2.5s · STAB | 75 | 50 | 36 | 1.8 |
| Rock TombRock · 3s · STAB | 65 | 50 | 26 | 1.56 |
 Body SlamNormal · 2s | 50 | 33 | 25 | 1.52 |
- DPS is damage per second, EPS energy per second and DPE damage per energy. A Charged Attack costing 100 energy uses 1 bar, 50 uses 2 bars and 33 uses 3 bars.
- STAB (same-type attack bonus) applies to moves of the Pokémon's own type, which deal 1.2× damage (included in DPS, DPT and DPE).
Calculate with your Pokémon
Move the sliders or enter a CP and Lairon's stats, move performance and power-up cost update instantly.
Enter the CP shown in the game to find the closest level for these IVs.
- Actual Attack
- 103.4
- Actual Defense
- 127.2
- Actual HP
- 101
Actual stat = (base stat + IV) × level multiplier. Level 51 is the Best Buddy boost.
Move performance at these stats
Metal ClawHeavy SlamBest100% efficiencyThis is the best moveset at these stats. That's 86% of the same moveset's DPS at Lv40 with 15/15/15.
Raid calculation against a neutral 5-star boss. * Exclusive moves need an Elite TM.
Power-up cost
- Stardust
- 225,000
- Candy
- 248
- Candy XL
- 0
Lv 20 → 40: 40 power-ups, CP 2,056 after
Based on the game's power-up cost table. Shadow costs 1.2× and purified 0.9× (rounded up per power-up); Lucky Pokémon pay half the Stardust. Event bonuses are not included.
IV rankings by leagueBy stat product
| Rank | Attack | Defense | HP | Level | CP | vs. #1 |
|---|---|---|---|---|---|---|
| 1 | 0 | 14 | 15 | 28 | 1,498 | 100.0% |
| 2 | 0 | 15 | 14 | 28 | 1,497 | 99.6% |
| 3 | 0 | 13 | 15 | 28 | 1,495 | 99.5% |
| 4 | 1 | 15 | 12 | 28 | 1,498 | 99.4% |
| 5 | 1 | 13 | 14 | 28 | 1,500 | 99.3% |
| 6 | 0 | 7 | 15 | 28.5 | 1,500 | 99.2% |
| 7 | 3 | 14 | 15 | 27.5 | 1,499 | 99.2% |
| 8 | 1 | 11 | 15 | 28 | 1,497 | 99.2% |
| 9 | 0 | 14 | 14 | 28 | 1,494 | 99.2% |
| 10 | 0 | 12 | 11 | 28.5 | 1,500 | 99.1% |
Stat product = Attack × Defense × HP (up to level 50, excluding Best Buddy). It shows how long a Pokémon lasts under the same CP cap and doesn't include move matchups.
EvolutionFrom game data
- Stage 1
- LaironViewing25 CandyBest movesMetal ClawHeavy Slam
- Purified Pokémon need about 10% less Candy to evolve (e.g. 25 → 22 Candy).
- Mega Energy comes from Mega Raids and walking with your buddy. After the first Mega Evolution, it takes less energy next time.
- Best moves are the top raid moveset at level 40 with 15/15/15 IVs.
Damage takenGO multipliers
- ×2.56
Fighting
Ground - ×1.6
Water - ×0.625
Ice
Psychic
BugRock
Dragon
Fairy - ×0.39Normal
Flying - ×0.244
Poison
Show all 18 types
- Normal×0.39
Fire×1- Water×1.6
Electric×1
Grass×1- Ice×0.625
- Fighting×2.56
- Poison×0.244
- Ground×2.56
- Flying×0.39
- Psychic×0.625
- Bug×0.625
- Rock×0.625
Ghost×1- Dragon×0.625
Dark×1- Steel×1
- Fairy×0.625
Offensive matchupsBased on learnable moves