- Attack
- 227
- Defense
- 195
- HP
- 189
100% CP
- RaidsLv20
- 1,787
- min 1,708
- Weather boostLv25
- 2,234
- min 2,135
- MaxLv50
- 3,536
- Lv40 3,128
At a glance
Basics
Iron Boulder is a Rock/Psychic-type Pokémon. Its 100% IV CP is 1,787 at level 20 (raids, eggs and research), 2,234 at weather-boosted level 25 and up to 3,536 at level 50. It is weak to Water/Grass/Ground/Bug/Ghost/Dark/Steel attacks (1.6×). It resists Normal/Fire/Poison/Flying/Psychic attacks. As your buddy, it earns 1 Candy every 20 km you walk together.
- Buddy distance
- 20 km
- Second Charged Attack
- 100,000 Stardust · 100 Candy
- Max CP · Lv50 / Lv51 (Best Buddy)
- 3,536 / 3,579
All values are for Pokémon GO; main-series values are not listed.
Related tips
- Beating raids alone (how to use the solo simulator)Anyone can solo a 1-star raid, and six powered-up Pokémon of the boss's weakness types can solo a 3-star. 5-star raids usually need several players.
- 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.
Best movesetsLv40 · 15/15/15 IVs
Movesets need both a Fast and a Charged Attack.
Learnable moves
Fast Attack1
| Moves | Power | Energy | DPS | EPS |
|---|---|---|---|---|
 SplashWater · 1.5s | 0 | +17 | 0 | 11.3 |
Charged Attack1
| Moves | Power | Energy | DPS | DPE |
|---|---|---|---|---|
 StruggleNormal · 2s | 35 | 0 | 17.5 | 0 |
- 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 Iron Boulder'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
- 144.6
- Actual Defense
- 125.5
- Actual HP
- 121
Actual stat = (base stat + IV) × level multiplier. Level 51 is the Best Buddy boost.
Move performance at these stats
It needs both a Fast and a Charged Attack to calculate.
Power-up cost
- Stardust
- 225,000
- Candy
- 248
- Candy XL
- 0
Lv 20 → 40: 40 power-ups, CP 3,128 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 | 13 | 14 | 18 | 1,498 | 100.0% |
| 2 | 1 | 15 | 11 | 18 | 1,500 | 99.6% |
| 3 | 0 | 14 | 13 | 18 | 1,498 | 99.6% |
| 4 | 0 | 12 | 15 | 18 | 1,498 | 99.5% |
| 5 | 0 | 12 | 14 | 18 | 1,494 | 99.5% |
| 6 | 1 | 11 | 14 | 18 | 1,497 | 99.5% |
| 7 | 5 | 15 | 15 | 17.5 | 1,499 | 99.4% |
| 8 | 2 | 10 | 14 | 18 | 1,500 | 99.4% |
| 9 | 0 | 15 | 12 | 18 | 1,498 | 99.2% |
| 10 | 0 | 15 | 11 | 18 | 1,494 | 99.2% |
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.
Evolution
Damage takenGO multipliers
- ×1.6Water
Grass
Ground
Bug
Ghost
Dark
Steel - ×0.625Normal
Fire
Poison
Flying
Psychic
Show all 18 types
- Normal×0.625
- Fire×0.625
- Water×1.6
Electric×1- Grass×1.6
Ice×1
Fighting×1- Poison×0.625
- Ground×1.6
- Flying×0.625
- Psychic×0.625
- Bug×1.6
Rock×1- Ghost×1.6
Dragon×1- Dark×1.6
- Steel×1.6
Fairy×1
Offensive matchupsBased on learnable moves