Special
Hazard Setter
495Average
55Slow
CTier

That 4x Grass weakness is something every Omastar user needs to plan around. Swift Swim doubles its Speed in rain, which helps. Known as the Spiral Pokemon. The stat spread leans into special offense.

Defense and Sp. Atk carry most of Omastar's stat budget. Speed's the obvious dump stat. Tough to catch and yields 2 Defense EVs. Follows a medium-fast 1M XP curve.

Base Stats
495Above
HP70
C
Attack60
C
Defense125
A
Sp. Atk115
B
Sp. Def70
C
Speed55
D
Total495
Low <60
Avg 60-89
High 90-149
Top 150+
EV YieldDefeating Omastar yields +2 Def
HPAtkDef+2SpASpDSpe
Details
Catch45ChallengingMedium Fast1M XP1m / 3'03"35kg / 77.2 lbs173Base XP
Pokedex Entries

Weighed down by a large and heavy shell, Omastar couldn’t move very fast. Some say it went extinct because it was unable to catch food.

Sword

Omastar’s sharp fangs could crush rock, but the Pokémon can attack only the prey that come within reach of its tentacles.

Shield

Omastar Weakness

Vulnerable

Omastar's Rock/Water typing leaves it vulnerable to Grass, Electric, Fighting, and Ground moves. 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.

4xCriticali
¼xResisti
0xImmunei
None
4Weak
5Resist
0Immune
Scorei-4
SpikesGrounded — up to 25%
Toxic SpikesVulnerable
4x Grass — Energy Ball, Giga Drain, Leaf Storm
Abilities
Swift SwimDoubles Speed during rain.
Shell ArmorProtects against critical hits.
Weak ArmorHARaises Speed and lowers Defense by one stage each upon being hit by a physical move.

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.

How to Evolve

2 Forms
Stat Comparison 2 Stages
Omanyte
RockWater
Omastar
RockWater
HP
35
70+35
ATK
40
60+20
DEF
100
125+25
SP.ATK
90
115+25
SP.DEF
55
70+15
SPE
35
55+20
BST
355D-Tier
495C-Tier+140
ROLE
Trick Room
Wallbreaker
TYPE
Special
Special
Breeding
Moderate

Breed with Omastar to get Omanyte eggs using 74 partners from the Water1 and Water3 egg groups.

Egg Groups
Water1Water3
Gender
87.5%12.5%
Hatch Time
30 cycles·7,710 steps
Moderate~8 min with Flame Body
Breed With (best first)
azumarillblastoisegolduckkingdramiloticwalreindrapionclawitzergolisopodcursolaslowbroslowking

One guaranteed turn is all Omastar needs. Focus Sash buys it, max Sp. Atk and Speed EVs make it count, and Weakarmor adds something extra. The goal: deal early damage and deal damage with Scald. The remaining moves gives it play beyond just the lead turn.

Best Build

Special Sweeper
Ability
Weakarmor
Item
Focus SashSURVIVAL
Nature
Timid+SPE
EVs

Best Omastar Moveset

  • Earth Power
  • Shell Smash
  • Ice Beam
  • ScaldSTAB

Level-up moves are just the starting point for Omastar. TMs unlock Normal and Dark coverage and more and turn a straightforward STAB kit around Meteor Beam and Hydro Pump into something with actual range.

Level-Up Moves

Lv 1
Bind
158520Normal
Lv 1
Crunch
8010015Dark
Lv 1
Rollout
309020Rock
Lv 1
Sand Attack
10015Ground
Lv 1
Withdraw
40Water
Lv 15
Water Gun
4010025Water
Lv 20
Leer
10030Normal
Lv 25
Mud Shot
559515Ground
Lv 30
Ancient Power
601005Rock
Lv 35
Brine
6510010Water
Lv 43
Protect+4
10Normal
Lv 49
Rock Blast
259010Rock
Lv 56
Surf
9010015Water
Lv 63
Shell Smash
15Normal
Lv 70
Hydro Pump
110805Water

TM Moves

Src
TM31
Attract
10015Normal
TR06
Blizzard
110705Ice
TR01
Body Slam
8510015Normal
TM55
Brine
6510010Water
TR32
Crunch
8010015Dark
TM45
Dive
8010010Water
TR67
Earth Power
9010010Ground
TR26
Endure+4
10Normal
TM39
Facade
7010020Normal
TM09
Giga Impact
150905Normal
TR52
Gyro Ball
1005Steel
TM35
Hail
10Ice
TR03
Hydro Pump
110805Water
TM08
Hyper Beam
150905Normal
TR05
Ice Beam
9010010Ice
TM27
Icy Wind
559515Ice
TR46
Iron Defense
15Steel
TR98
Liquidation
8510010Water
TM53
Mud Shot
559515Ground
TR45
Muddy Water
908510Water
TM07
Pin Missile
259520Bug
TM25
Protect+4
10Normal
TM33
Rain Dance
5Water
TM21
Rest
10Psychic
TM54
Rock Blast
259010Rock
TM22
Rock Slide
759010Rock
TM48
Rock Tomb
609515Rock
TM76
Round
6010015Normal
TM32
Sandstorm
10Rock
TR84
Scald
8010015Water
TR27
Sleep Talk
10Normal
TM24
Snore
5010015Normal
TR23
Spikes
20Ground
TR76
Stealth Rock
20Rock
TR75
Stone Edge
100805Rock
TR20
Substitute
10Normal
TR04
Surf
9010015Water
TM23
Thief
6010025Dark
TR54
Toxic Spikes
20Poison
TR16
Waterfall
8010015Water
TM36
Whirlpool
358515Water

Egg Moves

Omastar doesn't have any Egg moves

Tutor Moves

Src
Tutor
Meteor Beam
1209010Rock

You're catching Omanyte first, not Omastar. Omanyte appears at decent rates in the encounters below. The step cards map the full 2-stage line with evolution methods between each stage.

How to Obtain Omastar in Sword & Shield

To get Omastar, start by catching Omanyte through surfing encounters at Lv. 60-65. The chain covers 1 catchable stage before reaching the final form.

  1. Omanyte
    Step 1Catch Omanyte
    Roaring-Sea Caves
    Surfing on waterLv.60-6524%PostCaveNormal Weather
    EASY
    Roaring-Sea Caves
    Surfing on waterLv.60-6524%PostCaveThunderstorm
    EASY
    Roaring-Sea Caves
    Surfing on waterLv.60-6524%PostCaveIntense Sun
    EASY
    Roaring-Sea Caves
    Surfing on waterLv.60-6524%PostCaveRaining
    EASY
    Roaring-Sea Caves
    Surfing on waterLv.60-6524%PostCaveHeavy Fog
    EASY
    Roaring-Sea Caves
    Surfing on waterLv.60-6524%PostCaveOvercast
    EASY
    Roaring-Sea Caves
    Surfing on waterLv.60-6520%PostCaveSnowstorm
    MODERATE
    Roaring-Sea Caves
    Surfing on waterLv.60-6520%PostCaveSnowing
    MODERATE
  2. Omastar
    Step 2Omastar
  • Swift Swim changes the entire equation for Omastar. The 495 BST doesn't tell the full story. Ranked C-Tier as a hazard setter.

  • Watch for Exeggutor (Grass), Raikou (Electric), and Machamp (Fighting) when using Omastar. They all hit it super-effectively with STAB. Exeggutor is the most dangerous since Grass moves deal 4x damage. Ground-type attackers are also a problem.

  • Omanyte evolves into Omastar at level 40. Omastar is the fully evolved form. At 495 BST, it's got solid stats to work with.

  • Swift Swim is what you want on Omastar. Every competitive set worth running is built with that ability in mind. The alternatives (Shell Armor, Weak Armor) work on paper but Swift Swim is what makes Omastar worth using.

  • At base 55 Speed, it won't be moving first often. On offense, Omastar is a special attacker with base 115 Sp. Atk. Defensively? Enough bulk to take a hit or two. Best used as a hazard setter.

  • Omastar appears in 19 games, including Yellow, Red & Blue, and Gold & Silver.

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.