Bouldion
Capturing
Its favourite foods are Green cake, Baguette and Taco. Feeding it one adds 15 to your capture chance, where other food adds 5. Catching a Nexomon explains how the whole chance adds up.
Evolution
Cosmic
Every wild one has a 1 in 4,000 chance to be cosmic at first, and 1 in 3,500 later in the story. What improves the odds is on the Nexomon page.
Normal 
Cosmic
Stats by level
Before cores. How stats grow is on the Nexomon page.
| 1 |  12 |  100 |  7 |  3 |  11 |
| 25 | 68 | 104 | 30 | 22 | 44 |
| 50 | 127 | 108 | 53 | 41 | 78 |
| 75 | 186 | 113 | 76 | 61 | 112 |
| 99 | 242 | 117 | 99 | 79 | 145 |
Damage taken
How hard a skill of each element hits it, going by its element. The full damage formula is on the Skills page.
Skill tree
 Rock Barrage | 2 |  Mineral | 50 | 5 |
 Crushing Boulder | 5 | Mineral | 55 | 10 |
 Rocknite | 9 | Mineral | 60 | 5 |
 Plasma | 14 |  Normal | 60 | 5 |
 Tackle | 18 | Normal | 50 | 15 |
 Mud Attack | 22 | Mineral | 20 | 10 |
 Blazing Mineral | 27 | Mineral | — | 10 |
 Sonic Scream | 31 | Normal | 85 | 15 |
 Corrupted Mineral | 33 | Mineral | — | 15 |
 Plasma Cannon | 37 | Normal | 80 | 10 |
 Rock Prison | 44 | Mineral | — | 10 |
 Double Slash | 47 | Normal | 105 | 20 |
 Mineral Siphon | 51 | Mineral | — | 15 |
 Meteor Strike | 55 | Mineral | 90 | 15 |
 Sandstorm | 60 | Mineral | 65 | 10 |
 Meteor Shower | 61 | Mineral | 150 | 25 |
Encounter locations
| Before Boss Lateria | 49.2% | 41.6% | 25.5% | |
| Desert Crater Grunda's Chasm | 35.3% | 35.3% | 35.3% | |
| Desert Entrance Grunda's Chasm | 35.3% | 28.3% | 28.3% | |
| Desert Road to Magma Grunda's Chasm | 54.6% | 45.8% | 45.8% | |
| Desert Road to Rock Tyrant Lateria | 54.6% | 48.4% | 28.7% | |
| Grunda's Tomb Floor 1 Grunda's Chasm or Lateria | 28.3% | 20.2% | 14.9% | |
| Grunda's Tomb Floor 1 Extra West Grunda's Chasm or Lateria | 33% | 22.4% | 16.1% | |
| Grunda's Tomb Floor 2 Grunda's Chasm or Lateria | 28.3% | 20.2% | 14.9% |
- Evolves into
- Favourite foods
- Other
History
Changes to this nexomon across game updates.
- Other languages +博尔迪翁
- On the map
- +Updated
- Other languages +Булдин
- On the map
Other languages: BouldionБулдинボルディオン돌디언博尔迪翁