#139 Omastar
General Location Attacks Stats Egg Moves 5th Gen Dex 3rd Gen Dex Spin Off Dex Entry
This Pokédex is for Ruby, Sapphire, Emerald, FireRed & LeafGreen. If you're looking for the Sword & Shield, Check out Omastar Pokémon Sword & Shield data
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Gen IV Dex Gen III Dex Gen II Dex Gen I Dex

Pokémon Game Picture National No. Hoenn No. English name Japanese Name
Ruby/Sapphire
139 294 Omastar オムスター
Omstar
FireRed/LeafGreen
Ability: Swift Swim & Shell Armor
Swift Swim: When Rain Dance is in effect, Omastar's Speed is Doubled
Shell Armor: The Opponent's Moves cannot Critically Hit
Emerald
Gender Ratio
Male: 87.5 % Female: 12.5 %
Classification Type 1 Type 2 Height Weight
Spiral Pokémon
3'03" 77.2 lbs
Evolution Chain
--Lv. 40-->

Wild Hold Item Dex Category Colour Category Footprint
None Blue

Damage Taken
*0.5 *0.25 *1 *2 *4 *0.5 *2 *0.5 *2 *0.5 *1 *1 *1 *1 *1 *1 *1
Flavor Text
Ruby 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.
Sapphire 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.
Emerald An OMASTAR uses its tentacles to capture its prey. It is believed to have become extinct because its shell grew too large, making its movements slow and ponderous.
FireRed Its tentacles are highly developed as if they are hands and feet. As soon as it ensnares prey, it bites.
LeafGreen Despite having strong fangs and tentacles, it went extinct when its heavy shell made it unable to catch prey.

Location
Game Location
Ruby Trade from FireRed/LeafGreen
Sapphire Trade from FireRed/LeafGreen
Emerald Trade from FireRed/LeafGreen
FireRed Evolve Omanyte
LeafGreen Evolve Omanyte
Colosseum Trade from FireRed/LeafGreen
XD Trade from FireRed/LeafGreen

Ruby/Sapphire/Emerald/Colosseum/XD Level Up
LevelAttack NameTypeAtt.Acc.PPEffect %
Constrict
101003510
Constricts to inflict pain. May lower SPEED.
Withdraw
----40--
Withdraws the body into its hard shell to raise DEFENSE.
Bite
601002530
Bites with vicious fangs. May cause flinching.
13Bite
601002530
Bites with vicious fangs. May cause flinching.
19Water Gun
4010025--
Squirts water to attack the foe.
25Mud Shot
559515100
Hurls mud at the foe and reduces SPEED.
31Leer
--10030--
Frightens the foe with a leer to lower DEFENSE.
37Protect
----10--
Evades attack, but may fail if used in succession.
40Spike Cannon
2010015--
Launches sharp spikes that strike 2 to 5 times.
46Tickle
--10020--
Makes the foe laugh to lower ATTACK and DEFENSE.
55Ancientpower
60100510
An attack that may raise all stats.
65Hydro Pump
120805--
Blasts water at high power to strike the foe.

Fire Red/Leaf Green Level Up
LevelAttack NameTypeAtt.Acc.PPEffect %
Constrict
101003510
Constricts to inflict pain. May lower SPEED.
Withdraw
----40--
Withdraws the body into its hard shell to raise DEFENSE.
Bite
601002530
Bites with vicious fangs. May cause flinching.
Water Gun
4010025--
Squirts water to attack the foe.
13Bite
601002530
Bites with vicious fangs. May cause flinching.
19Water Gun
4010025--
Squirts water to attack the foe.
25Mud Shot
559515100
Hurls mud at the foe and reduces SPEED.
31Leer
--10030--
Frightens the foe with a leer to lower DEFENSE.
37Protect
----10--
Evades attack, but may fail if used in succession.
40Spike Cannon
2010015--
Launches sharp spikes that strike 2 to 5 times.
46Tickle
--10020--
Makes the foe laugh to lower ATTACK and DEFENSE.
55Ancientpower
60100510
An attack that may raise all stats.
65Hydro Pump
120805--
Blasts water at high power to strike the foe.

TM & HM Attacks
TM/HM #Attack NameTypeAtt.Acc.PPEffect %
TM03Water Pulse
601002020
Attacks with ultrasonic waves. May confuse the foe
TM06Toxic
--8510100
Poisons the foe with an intensifying toxin.
TM07Hail
----10--
Summons a hailstorm that strikes every turn.
TM10Hidden Power
??10015--
The effectiveness varies with the user.
TM13Ice Beam
951001010
Blasts the foe with an icy beam that may freeze it.
TM14Blizzard
12070510
Hits the foe with an icy storm that may freeze it.
TM15Hyper Beam
150905--
Powerful, but leaves the user immobile the next turn.
TM17Protect
----10--
Evades attack, but may fail if used in succession.
TM18Rain Dance
----5--
Boosts the power of WATER- type moves for 5 turns.
TM21Frustration
??10020--
An attack that is stronger if the TRAINER is disliked.
TM27Return
??10020--
An attack that increases in power with friendship.
TM32Double Team
----15--
Creates illusory copies to raise evasiveness.
TM37Sandstorm
----10--
Causes a sandstorm that rages for several turns.
TM39Rock Tomb
508010100
Stops the foe from moving with rocks and cuts SPEED.
TM42Facade
7010020--
Boosts ATTACK when burned, paralyzed, or poisoned.
TM43Secret Power
701002030
An attack with effects that vary by location.
TM44Rest
----10--
The user sleeps for 2 turns, restoring HP and status.
TM45Attract
--10015--
Makes the opposite gender less likely to attack.
TM46Thief
4010010100
While attacking, it may steal the foe's held item.
HM03Surf
9510015--
Creates a huge wave, then crashes it down on the foe.
HM06Rock Smash
201001550
A rock-crushing attack that may lower DEFENSE.
HM07Waterfall
8010015--
Charges the foe with speed to climb waterfalls.
HM08Dive
6010010--
Dives underwater the first turn and strikes next turn.

Fire Red/Leaf Green/Emerald Tutor Attacks
Attack NameTypeAtt.Acc.PPEffect %
Body Slam
851001530
A full-body slam that may cause paralysis.
Double-edge
12010015--
A life-risking tackle that also hurts the user.
Seismic Toss
??10020--
Inflicts damage identical to the user's level.
Mimic
--10010--
Copies a move used by the foe during one battle.
Rock Slide
75901030
Large boulders are hurled. May cause flinching.
Substitute
----10--
Creates a decoy using 1/4 of the user's maximum HP.

Emerald Tutor Attacks
Attack NameTypeAtt.Acc.PPEffect %
Rollout
309020--
An attack lasting 5 turns with rising intensity.
Snore
401001530
A loud attack that can be used only while asleep.
Icy Wind
559515100
A chilling attack that lowers the foe's SPEED.
Endure
----10--
Endures any attack for 1 turn, leaving at least 1HP.
Swagger
--9015100
Confuses the foe, but also sharply raises ATTACK.
Sleep Talk
----10--
Uses an own move randomly while asleep.

Egg Moves
Attack NameTypeAtt.Acc.PPEffect %
Bubblebeam
651002010
Forcefully sprays bubbles that may lower SPEED.
Aurora Beam
651002010
Fires a rainbow-colored beam that may lower ATTACK.
Slam
807520--
Slams the foe with a long tail, vine, etc.
Supersonic
--5520--
Emits bizarre sound waves that may confuse the foe.
Haze
----30--
Creates a black haze that eliminates all stat changes.
Rock Slide
75901030
Large boulders are hurled. May cause flinching.
Spikes
----20--
Sets spikes that hurt a foe switching out.

Egg Steps to Hatch Effort Points from Battling it Catch Rate
7,680 Steps Defense: 2 Points 45

Egg Groups
Lists Of GroupsGroup Names
Water 1
Water 3

Stats
 HPAttackDefenseSp. AttackSp. DefenseSpeed
Base Stats70601251157055
Max Stats
Hindering Nature
344197 314296215188
Max Stats
Neutral Nature
344219349329239209
Max Stats
Beneficial Nature
344240383361262229