Pokemon Brilliant Diamond and Shining Pearl Omastar is a Rock and Water Type Spiral Pokémon, with a 5.9% Chance To Catch with a regular Pokeball. Omastar can be found with Swift Swim, Shell Armor and Weak Armor as an Ability and has a Medium Fast growth rate with a 2 Defense EV Yield. We recommend the Relaxed Nature, based on 495 combined Base Stats.
Omastar Stats and Abilities
Based on Omastar Base IVs we consider this pokemon C-Tier choice. Omastar Highest IV Stat is Defense 125 and the Lowest being Speed 55.
Tier | Stat | Base | Min | Max |
---|---|---|---|---|
F | HP | 70 | 250 | 344 |
E | Attack | 60 | 112 | 240 |
C | Defense | 125 | 229 | 383 |
A | Special Attack | 115 | 211 | 361 |
E | Special Defense | 70 | 130 | 262 |
F | Speed | 55 | 103 | 229 |
C | Total | 495 |
Omastar | Detail |
---|---|
Best Held Items | |
Best Nature | Relaxed ↑ +10% Defense↓ -10% Speed |
Caught in the Wild Held Item Chance | |
Like/Dislikes | ![]() ![]() |
EV Yield | 2 Defense |
Growth Rate | Medium Fast |
Catch Rate | 45 (5.9% with PokéBall, full HP) |
Egg Groups | Water 1, Water 3 |
Egg Cycles | 30 (7,454–7,710 steps) |
Abilities | Description |
---|---|
Swift Swim Ability 1 | Swift Swim doubles the ability-bearer's Speed during rain. |
Shell Armor Ability 2 | Shell Armor prevents the Pokémon from receiving a critical hit. |
Weak Armor Hidden Ability | When a Pokémon with Weak Armor is hit by a physical move, its Defense drops one stage, but its Speed increases by one stage. |
How To Evolve Omastar in BDSP
Omanyte requires (Level 40) to evolve into Omastar.

Where To Find Omastar in BDSP
Omastar has 1 spawn locations in Pokemon Brilliant Diamond and Shining Pearl. You can find the Unevolved form Lv. 20 Omanyte, within the Mining Museum location using the Fossil method.



Location | How To Catch | Pokemon Spawns |
---|---|---|
![]() Interact ![]() ![]() ![]() | ![]() Omanyte Lv. 20 |

Pokemon Brilliant Diamond and Shining Pearl Omastar Weakness
Omastar is a Rock and Water Type pokemon. This will cause Omastar to take More Damage from Fighting, Ground, Electric, Grass Type Moves, and Less Damage from Normal, , Poison, Ice, Fire Type moves.
Damage | Types |
---|---|
4.0x More Damage | ![]() |
2.0x More Damage | ![]() ![]() ![]() |
0.5x Less Damage | ![]() ![]() ![]() ![]() |
0.25x Less Damage | ![]() |
Immune to Damage |

Best Moves Omastar in BDSP
Best Moveset for Omastar Lv Up Moves based on Power.
Lvl | Best Moves | Type | Class | Power | Acc | PP | Effect |
---|---|---|---|---|---|---|---|
70 | Hydro Pump | ![]() | Special | 165 | 80 | 5 | The target is blasted by a huge volume of water launched under great pressure. |
56 | Surf | ![]() | Special | 135 | 100 | 15 | Hits all adjacent Pokémon. |
1 | Crunch | ![]() | Physical | 80 | 100 | 15 | May lower opponent's Defense. |
35 | Brine | ![]() | Special | 97.5 | 100 | 10 | Power doubles if opponent's HP is less than 50%. |
Best Moveset for Omastar TM Moves based on Power.
TM | Best Moves | Type | Class | Power | Acc | PP | Effect |
---|---|---|---|---|---|---|---|
TM68 | Giga Impact | ![]() | Physical | 150 | 90 | 5 | User must recharge next turn. |
TM15 | Hyper Beam | ![]() | Special | 150 | 90 | 5 | User must recharge next turn. |
TM14 | Blizzard | ![]() | Special | 110 | 70 | 5 | May freeze opponent. |
TM71 | Stone Edge | ![]() | Physical | 150 | 80 | 5 | High critical hit ratio. |


Omastar Level Up Moves
List of Moves Omastar can learn by reaching higher levels in Pokemon Brilliant Diamond and Shining Pearl.
Lvl | Move | Desc |
---|---|---|
1 | Crunch | Power: 80 Acc: 100 PP: 15 ![]() May lower opponent's Defense. |
1 | Bind | Power: 15 Acc: 85 PP: 20 ![]() Traps opponent, damaging them for 4-5 turns. |
1 | Withdraw | Power: — Acc: — PP: 40 ![]() Raises user's Defense. |
1 | Rollout | Power: 45 Acc: 90 PP: 20 ![]() Doubles in power each turn for 5 turns. |
1 | Sand Attack | Power: — Acc: 100 PP: 15 ![]() Lowers opponent's Accuracy. |
15 | Water Gun | Power: 60 Acc: 100 PP: 25 ![]() |
20 | Leer | Power: — Acc: 100 PP: 30 ![]() Lowers opponent's Defense. |
25 | Mud Shot | Power: 55 Acc: 95 PP: 15 ![]() Lowers opponent's Speed. |
30 | Ancient Power | Power: 90 Acc: 100 PP: 5 ![]() May raise all user's stats at once. |
35 | Brine | Power: 97.5 Acc: 100 PP: 10 ![]() Power doubles if opponent's HP is less than 50%. |
43 | Protect | Power: — Acc: — PP: 10 ![]() Protects the user, but may fail if used consecutively. |
49 | Rock Blast | Power: 37.5 Acc: 90 PP: 10 ![]() Hits 2-5 times in one turn. |
56 | Surf | Power: 135 Acc: 100 PP: 15 ![]() Hits all adjacent Pokémon. |
63 | Shell Smash | Power: — Acc: — PP: 15 ![]() Sharply raises user's Attack, Special Attack and Speed but lowers Defense and Special Defense. |
70 | Hydro Pump | Power: 165 Acc: 80 PP: 5 ![]() The target is blasted by a huge volume of water launched under great pressure. |
Omastar TM Moves
List of Moves Omastar can learn using (TMs) Technical Machine Items.
TM | Move | Desc |
---|---|---|
TM03 | Water Pulse | Power: 90 Acc: 100 PP: 20 ![]() May confuse opponent. |
TM07 | Hail | Power: — Acc: — PP: 10 ![]() Non-Ice types are damaged for 5 turns. |
TM13 | Ice Beam | Power: 90 Acc: 100 PP: 10 ![]() May freeze opponent. |
TM14 | Blizzard | Power: 110 Acc: 70 PP: 5 ![]() May freeze opponent. |
TM15 | Hyper Beam | Power: 150 Acc: 90 PP: 5 ![]() User must recharge next turn. |
TM17 | Protect | Power: — Acc: — PP: 10 ![]() Protects the user, but may fail if used consecutively. |
TM18 | Rain Dance | Power: — Acc: — PP: 5 ![]() Makes it rain for 5 turns. |
TM32 | Double Team | Power: — Acc: — PP: 15 ![]() Raises user's Evasiveness. |
TM37 | Sandstorm | Power: — Acc: — PP: 10 ![]() Creates a sandstorm for 5 turns. |
TM39 | Rock Tomb | Power: 90 Acc: 95 PP: 15 ![]() Lowers opponent's Speed. |
TM42 | Facade | Power: 70 Acc: 100 PP: 20 ![]() Power doubles if user is burned, poisoned, or paralyzed. |
TM44 | Rest | Power: — Acc: — PP: 10 ![]() User sleeps for 2 turns, but user is fully healed. |
TM45 | Attract | Power: — Acc: 100 PP: 15 ![]() If opponent is the opposite gender, it's less likely to attack. |
TM46 | Thief | Power: 60 Acc: 100 PP: 25 ![]() Also steals opponent's held item. |
TM49 | Scald | Power: 120 Acc: 100 PP: 15 ![]() May burn opponent. |
TM55 | Brine | Power: 97.5 Acc: 100 PP: 10 ![]() Power doubles if opponent's HP is less than 50%. |
TM58 | Endure | Power: — Acc: — PP: 10 ![]() Always left with at least 1 HP, but may fail if used consecutively. |
TM68 | Giga Impact | Power: 150 Acc: 90 PP: 5 ![]() User must recharge next turn. |
TM69 | Rock Polish | Power: — Acc: — PP: 20 ![]() Sharply raises user's Speed. |
TM71 | Stone Edge | Power: 150 Acc: 80 PP: 5 ![]() High critical hit ratio. |
TM74 | Gyro Ball | Power: — Acc: 100 PP: 5 ![]() The slower the user, the stronger the attack. |
TM76 | Stealth Rock | Power: — Acc: — PP: 20 ![]() Damages opponent switching into battle. |
TM80 | Rock Slide | Power: 112.5 Acc: 90 PP: 10 ![]() May cause flinching. |
TM82 | Sleep Talk | Power: — Acc: — PP: 10 ![]() User performs one of its own moves while sleeping. |
TM87 | Swagger | Power: — Acc: 85 PP: 15 ![]() Opponent becomes confused, but its Attack is sharply raised. |
TM90 | Substitute | Power: — Acc: — PP: 10 ![]() Uses HP to creates a decoy that takes hits. |
TM95 | Surf | Power: 135 Acc: 100 PP: 15 ![]() Hits all adjacent Pokémon. |
TM98 | Rock Smash | Power: 40 Acc: 100 PP: 15 ![]() May lower opponent's Defense. |
TM99 | Waterfall | Power: 120 Acc: 100 PP: 15 ![]() May cause flinching. |
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