Is Omastar Good in Ruby & Sapphire Playthrough?
AbilitySwift Swim in Sapphire's rain doubles Speed. Omastar's Special is strong and Water-type attacks hit hard in the rain boost. Trade-only in RS. In Sapphire specifically, one of the better rain sweepers if you go through the fossil import effort.
Omastar trades roughly evenly with Roxanne's team.
Omastar trades roughly evenly with Brawly's team.
Wattson's team hits Omastar's weaknesses hard.
Omastar has the type edge here and should clean up Flannery's team.
Omastar trades roughly evenly with Norman's team.
Omastar trades roughly evenly with Winona's team.
Omastar has the type edge here and should clean up Tate & Liza's team.
Omastar trades roughly evenly with Wallace's team.
Omastar trades roughly evenly with Sidney's team.
Omastar has the type edge here and should clean up Phoebe's team.
Omastar trades roughly evenly with Glacia's team.
Omastar has the type edge here and should clean up Drake's team.
Omastar trades roughly evenly with Steven's team.
Trade
Omastar cannot be caught in this game. It must be traded in from a compatible game where it appears in the wild. Cross-region trading typically becomes available after defeating the Elite Four. Alternatively, transfer the pre-evolution and level it up to Lv 40.
Recommended Moves
- After Brawly
- TM13IceIce BeamPower 95Accuracy 100%PP 10Abandoned Ship
- After Norman
- HM03WaterSurfPower 143Accuracy 100%PP 15Petalburg City
- TM15NormalHyper BeamPower 150Accuracy 90%PP 5Lilycove Department Store
- After Winona
- HM08WaterDivePower 90Accuracy 100%PP 10Mossdeep City
- After Tate & Liza
- HM07WaterWaterfallPower 120Accuracy 100%PP 15Cave of Origin
- After Wallace
- TM03WaterWater PulsePower 90Accuracy 100%PP 20Prize for defeating Wallace
- LV 55RockAncient PowerPower 90Accuracy 100%PP 5
- LV 65WaterHydro PumpPower 180Accuracy 80%PP 5
How to Get Omastar in Ruby & Sapphire
Level a traded Omanyte to 40 for Omastar, since Hoenn has no Helix Fossil to revive the line from.
How to Obtain Omastar in RS
- Step 1Obtain OmanyteCARTRIDGE TRADEfrom FireRed & LeafGreenAvailableCatch in FireRed & LeafGreen via Gift · Cinnabar Island · Revive Helix Fossil, then trade to the current game via link cable.LATER APPEARANCEfrom Red & BlueNot TradeableAppears in Red & Blue via Gift · Cinnabar Island · Revive Helix Fossil. Forward-only transfer — no path back to this game from a later one.LATER APPEARANCEfrom YellowNot TradeableAppears in Yellow via Gift · Cinnabar Island · Revive Helix Fossil. Forward-only transfer — no path back to this game from a later one.LATER APPEARANCEfrom Diamond & PearlNot TradeableAppears in Diamond & Pearl via Gift · Oreburgh City · Revive Helix Fossil. Forward-only transfer — no path back to this game from a later one.LATER APPEARANCEfrom PlatinumNot TradeableAppears in Platinum via Gift · Oreburgh City · Revive Helix Fossil. Forward-only transfer — no path back to this game from a later one.LATER APPEARANCENot TradeableAppears in HeartGold & SoulSilver via Gift · Pewter City · Revive Helix Fossil. Forward-only transfer — no path back to this game from a later one.LATER APPEARANCEfrom Black & WhiteNot TradeableAppears in Black & White via Gift · Nacrene City · Revive Helix Fossil. Forward-only transfer — no path back to this game from a later one.
- Step 2Omastar ✓
How to Get Shiny Omastar in Ruby & Sapphire
Trade a shiny Omastar across from FireRed or LeafGreen, since Ruby offers its line no home of its own. See every game where Shiny Omastar can be hunted
Omastar Weakness
Omastar's Rock/Water typing leaves it vulnerable to Grass, Electric, Fighting, and Ground. Grass hits land at 4x, so they're the biggest threat. 5 resistances help offset the weaknesses. Omastar's physical bulk (base 125 Def) helps cushion physical weakness hits, but special attackers are the bigger threat.
| Damage | Types |
|---|---|
| 4x (Critical) | Grass |
| 2x (Weak) | Electric, Fighting, Ground |
| 0.5x (Resist) | Normal, Ice, Poison, Flying |
| 0.25x (Resist) | Fire |
- Dark and Steel types added — Fairy does not exist yet
- Moves are Physical or Special based on type, not per move
What is Omastar Weak Against
VulnerableBest Pokemon Against Omastar
 Vileplume GrassPoison | C | |
 Breloom GrassFighting | B | |
Available Moves Moves
Damage vs Omastar View Breloom builds →Focus Punch 2x122-143%KO Solar Beam 4x166-196%KO | ||
 Cacturne GrassDark | B | |
Available Moves Moves
Damage vs Omastar View Cacturne builds →Solar Beam 4x282-332%KO Focus Punch 2x72-85% | ||
 Sceptile Grass | B | |
Obtain MethodEvolve Treecko (Route 101 Gift) Available Moves Moves
Damage vs Omastar View Sceptile builds →Solar Beam 4x261-308%KO Focus Punch 2x56-66% Earthquake 2x38-45% | ||
 Heracross BugFighting | A | |
Available Moves Moves
Damage vs Omastar View Heracross builds →Focus Punch 2x118-139%KO Earthquake 2x53-62% | ||
 Hariyama Fighting | B | |
Available Moves Moves
Damage vs Omastar View Hariyama builds →Focus Punch 2x113-133%KO Earthquake 2x50-59% | ||
 Ludicolo WaterGrass | C | |
Available Moves Moves
Damage vs Omastar View Ludicolo builds →Solar Beam 4x231-271%KO Focus Punch 2x48-57% | ||
 Shiftry GrassDark | C | |
Available Moves Moves
Damage vs Omastar View Shiftry builds →Solar Beam 4x231-271%KO Brick Break 2x33-39% Dig 2x26-31% | ||
 Blaziken FireFighting | B | |
Obtain MethodEvolve Torchic (Route 101 Gift) Available Moves Moves
Damage vs Omastar View Blaziken builds →Focus Punch 2x113-133%KO Earthquake 2x50-59% | ||
 Cradily RockGrass | C | |
Obtain MethodEvolve Lileep (Rustboro City Gift) Available Moves Moves
Damage vs Omastar View Cradily builds →Solar Beam 4x213-250%KO Earthquake 2x37-43% Rock Smash 2x9-10% | ||
 Roselia GrassPoison | C | |
 Tropius Grass | C | |
Available Moves Moves
Damage vs Omastar View Tropius builds →Solar Beam 4x192-226%KO Earthquake 2x32-38% Rock Smash 2x8-9% | ||
 Machoke Fighting | C | |
Available Moves Moves
Damage vs Omastar View Machoke builds →Focus Punch 2x97-115%KO Earthquake 2x43-51% | ||
 Flygon GroundDragon | B | |
Available Moves Moves
Damage vs Omastar View Flygon builds →Solar Beam 4x140-165%KO Earthquake 2x65-77% Rock Smash 2x9-11% | ||
Omastar Evolutions
Evolved from Omanyte. Omastar is the final form in this two-stage line. Plenty of partners for breeding via two egg groups. Eggs are slow to hatch. HP grew the most through evolution (+35 over Omanyte), and Omastar peaks at 495 total stats. View every chain in the Evolution Chart.
How to Evolve
Breeding
Breed with Omastar to get Omanyte eggs using 58 partners from the Water 1 and Water 3 egg groups. Notable egg moves include Aurora Beam, Bubble Beam, Haze and 4 more.
RS Omastar Best Moveset
115 Sp. Atk fires MoveSurf boosted by rain and MoveIce Beam for coverage at devastating power. AbilitySwift Swim doubles Speed in rain. Held ItemLeftovers sustains. Rain attacker with the special power to back the doubled Speed.
Best Build
Omastar best EVs are Sp. Atk and Speed
Special Attacker Moveset
- Ice Beam
- Rain Dance
- Spikes
- Hydro Pump
Recommended Teammates
Moves List
You'll want to breed for Aurora Beam and Bubble Beam on Omastar. These egg moves aren't just nice to have. Combined with STAB from Hydro Pump and Surf, they expand what Omastar can actually threaten in practice.
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 23 TMs are obtainable before the Elite Four
Egg Moves
Tutor Moves
Base Stats
OMASTAR uses its tentacles to capture its prey. It is believed to have become extinct because its shell grew too large and heavy, causing its movements to become too slow and ponderous.
Omastar Ruby & Sapphire Guide
Omastar isn't catchable in Ruby & Sapphire. Obtain one in FireRed or LeafGreen, then trade it to Ruby & Sapphire.
Game Availability
One of the original 151, Omastar has appeared in 19 games: most mainline games. From Red & Blue through the latest titles, it's rarely been left out of a regional Pokedex.
Click a game to view version-specific details
- Gen 1RBDebut
Red & Blue - Gen 1Y
Yellow - Gen 2GS
Gold & Silver - Gen 2C
Crystal - Gen 3RS
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
Where to go next after Omastar.
Keep playing · Ruby & SapphireRuby & Sapphire Tier ListThe best Pokemon ranked tier by tierSee Ruby & Sapphire Tier List