ROM Hack Guides
Omastar

Omastar in Rising Ruby & Sinking Sapphire

#139 · Rock / Water · Seafloor Cavern

RockWater

Abilities

Swift Swim, Shell Armor, Weak Armor (hidden)

Base stats

HP70
Attack60
Defense125
Sp. Attack115
Sp. Defense70
Speed55
Total495

Where to find Omastar

AreaMethodLevel
Seafloor Cavern OutWalking56

Level-up moves

LvMoveTypeCatPowAccPP
1Hydro Pump
Inflicts regular damage with no additional effect.
WaterSpec110805
1Constrict
Has a chance to lower the target’s Speed by one stage.
NormalPhys1010035
1Withdraw
Raises the user’s Defense by one stage.
WaterStat40
6Bite
Has a chance to make the target flinch.
DarkPhys6010025
10Water Gun
Inflicts regular damage with no additional effect.
WaterSpec4010025
14Rollout
Power doubles every turn this move is used in succession after the first, resetting after five turns.
RockPhys309020
18Leer
Lowers the target’s Defense by one stage.
NormalStat10030
22Mud Shot
Has a chance to lower the target’s Speed by one stage.
GroundSpec559515
26Brine
Has double power against Pokémon that have less than half their max HP remaining.
WaterSpec6510010
30Protect
Prevents any moves from hitting the user this turn.
NormalStat10
34Ancient Power
Has a chance to raise all of the user’s stats by one stage.
RockSpec8010010
37Spike Cannon
Hits 2-5 times in one turn.
NormalPhys2010015
40Tickle
Lowers the target’s Attack and Defense by one stage.
NormalStat10020
46Rock Blast
Hits 2-5 times in one turn.
RockPhys259010
52Earth Power*
Has a chance to lower the target’s Special Defense by one stage.
GroundSpec9010010
58Shell Smash
Raises user’s Attack, Special Attack, and Speed by two stages. Lower user’s Defense and Special Defense by one stage.
NormalStat15
64Hydro Pump
Inflicts regular damage with no additional effect.
WaterSpec110805

* legal move moved to level-up · ** new to this hack (not in the Legit build)

TMs & HMs (34)

#Move · where to get itTypePow
TM06Toxic
Fiery Path (needs Strength)
Poison
TM07Hail
Shoal Cave
Ice
TM10Hidden Power
Fortree City
Normal60
TM13Ice Beam
Sea Mauville
Ice90
TM14Blizzard
Lilycove Dept. Store, ¥30,000
Ice110
TM15Hyper Beam
Lilycove Dept. Store, ¥50,000
Normal150
TM17Protect
Lilycove Dept. Store, ¥10,000
Normal
TM18Rain Dance
Sea Mauville
Water
TM21Frustration
Pacifidlog Town
Normal
TM23Smack Down
Fallarbor Town
Rock50
TM27Return
Pacifidlog Town
Normal
TM32Double Team
Route 113
Normal
TM37Sandstorm
Route 111 desert (needs Go-Goggles)
Rock
TM39Rock Tomb
Beat Roxanne
Rock60
TM42Facade
Mauville City Poké Mart, ¥10,000
Normal70
TM44Rest
Lilycove City
Psychic
TM45Attract
Verdanturf Town
Normal
TM46Thief
Slateport City
Dark60
TM48Round
Mauville City
Normal60
TM55Scald
Seafloor Cavern
Water80
TM68Giga Impact
Lilycove Dept. Store, ¥50,000
Normal150
TM69Rock Polish
Jagged Pass
Rock
TM71Stone Edge
Lilycove Dept. Store, ¥30,000
Rock100
TM74Gyro Ball
Mirage Forest (needs Soaring) or Lilycove Mart 3F
Steel
TM80Rock Slide
Route 134
Rock75
TM87Swagger
Battle Resort
Normal
TM88Sleep Talk
Lilycove City
Normal
TM90Substitute
Mirage Island (needs Soaring) or Lilycove Mart 3F
Normal
TM94Secret Power
Route 111
Normal70
TM100Confide
Slateport City Poké Mart, ¥5,000
Normal
HM03Surf
Petalburg City, Wally's dad (use after Balance Badge)
Water90
HM05Waterfall
Beat Wallace (use after Rain Badge)
Water80
HM06Rock Smash
Mauville City (use after Dynamo Badge)
Fighting65
HM07Dive
Steven, Mossdeep (use after Mind Badge)
Water80

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