Competitive Information for Omastar [Ruby/Sapphire]
Rock / Water
Abilities:
Movesets for Singles
What is a good competitive moveset for Omastar? These builds have been optimized for Pokemon competing in Ruby/Sapphire Single Battles. The movesets and EVs have been specifically calibrated to deal the most amount of damage to the largest group of potentially common opponents and typing threats for the Ruby/Sapphire generation metagame.
Omastar is a marvelous Rock and Water-typed Pokemon. It's super common to find yourself dealing with Omastar when battling in the 3rd generation meta. Omastar is typically seen in the UU tier (Underused). Omastar is weak to Electric, Fighting, Grass, and Ground-typed attacks.
Item: Lum Berry
Ability: Shell Armor
Nature: Bold (+Def, -Atk)
EVs: 252 Hp / 200 Def / 56 SpA
Moveset:
- Ice Beam
- Surf
- Thief
- Spikes
Physical Wall Omastar (Popular/Trending)
Omastar is an outstanding Physical Wall. It was designed to take a hefty amount of physical hits while dealing some decent damage. Years before Generation IV, a move's damage category was determined by its type. With Shell Armor, Omastar cannot be struck by a critical hit.
♦ Surf is a special STAB-boosted 95-base power Water-type move (hits foes. power doubles against dive).
♦ Thief is a special 40-base power Dark-type move (if your Omastar has no item, it steals the target's).
♦ Spikes is a status move (hurts grounded foes on switch-in. max 3 layers).
Link (click to copy):
https://hohoushome.com/b/ds10a8b
Item: Mystic Water
Ability: Swift Swim
Nature: Modest (+SpA, -Atk)
EVs: 188 Hp / 252 SpA / 64 SpD / 4 Spe
Moveset:
- Surf / Waterfall
- Ice Beam / Aurora Beam
- Bite / Thief
- Protect
Special Sweeper Omastar (Swift Swim)
Omastar is a pretty decent Special Sweeper. It's primary goal is to take down the opponent's team with high-damaging special attacks. Prior to Generation IV, a move's damage category was determined by its type. With Swift Swim, if rain dance is active Omastar's speed is doubled.
♦ Waterfall is a special STAB-boosted 80-base power Water-type move that deals a decent amount of damage.
♦ Ice Beam is a special 95-base power Ice-type move (10% chance to freeze the target).
♦ Aurora Beam is a special 65-base power Ice-type move (10% chance to lower the target's attack by 1 stage).
♦ Bite is a special 60-base power Dark-type move (30% chance to flinch the target).
♦ Thief is a special 40-base power Dark-type move (if your Omastar has no item, it steals the target's).
♦ Protect is a status move (prevents moves from affecting your Omastar this turn).
Link (click to copy):
https://hohoushome.com/b/ds11a8b
Movesets for Doubles
What is a good doubles moveset for Omastar? These builds have been optimized for Ruby/Sapphire Double Battles. They have movesets and EVs specifically calibrated to generally work best versus multiple Pokemon at once as well as helping to support other team members and allys in the Ruby/Sapphire generation metagame.
Item: Mystic Water
Ability: Swift Swim
Nature: Modest (+SpA, -Atk)
EVs: 188 Hp / 252 SpA / 64 SpD / 4 Spe
Moveset:
- Surf / Waterfall
- Icy Wind / Ice Beam
- Bite / Thief
- Protect
Doubles Special Sweeper Omastar (Swift Swim)
Omastar is a pretty decent Special Sweeper. It is designed to take down the opponent's team with high-damaging special attacks. Keep in mind back before Generation IV, a move's damage category was determined by its type. With Swift Swim, if rain dance is active Omastar's speed is doubled.
♦ Waterfall is a special STAB-boosted 80-base power Water-type move that deals a mighty amount of damage.
♦ Icy Wind is a special 55-base power Ice-type move (100% chance to lower the foes speed by 1 stage).
♦ Ice Beam is a special 95-base power Ice-type move (10% chance to freeze the target).
♦ Bite is a special 60-base power Dark-type move (30% chance to flinch the target).
♦ Thief is a special 40-base power Dark-type move (if your Omastar has no item, it steals the target's).
♦ Protect is a status move (prevents moves from affecting your Omastar this turn).
Link (click to copy):
https://hohoushome.com/b/dd10a8b
Movepool
Wondering what moves can Omastar learn? Here is the list of moves this Pokemon can learn in this selected generation.
Sort and organize the learnset by move type, category, accuracy, and power. Bolded moves will gain the same-type attack bonus (STAB) if this Pokemon uses them.
Damage Modifiers:
Combo List
These are a list of several common move combinations Omastar can perform in Ruby/Sapphire. Not every combo going to be game-changing, but some can be pretty fun to play with. Sometimes these can be easily overlooked or forgotten, hence why we find and list them here. Discover what items, abilities, and moves this Pokemon can use in combination with each other to gain a strategic advantage in competitive battles.
Competitive RS Move and Ability Combos for Omastar
- Moves: Rest + Sleep talk
- Moves: Rest + Snore
- Move: Swagger + Item: Mirror Herb
- Move: Facade + Item: Flame Orb
- Move: Facade + Item: Toxic Orb
- Moves with Priority: Endure, Protect
- Moves that inflict status: Toxic
Moves that boost Omastar's stats
- Ancient Power
- Withdraw
Most notable and possible best moves for Omastar
- Hydro Pump
- Ice Beam
- Other
- Protect
- Rest
- Spikes
- Surf
- Thief
- Toxic
Common Effort Values for Omastar in Ruby and Sapphire
- Bold Nature ( 252/0/200/56/0/0/ )
- Nature ( )
- Optimize Omastar's EV spread for Pokemon Ruby and Sapphire
Related Videos
Here are various how-to-use and competitive moveset analysis video guides for Omastar in Ruby/Sapphire. These featured videos will most likely contain additional strategies and combos not listed on our site. Disclaimer: All videos belong to their respective owners along with the views, thoughts, and opinions expressed in the videos. They belong solely to the author and not to us.
We currently do not have any competitive video guides for Omastar in Ruby/Sapphire
Want to have your Competitive Pokemon videos sponsored on our site? Contact us!
Some builds on this page have been hidden, click here to display them
Here are the best movesets for Omastar. Top rated Omastar Ruby/Sapphire movesets. You can find Omastar builds Ruby/Sapphire. Omastar movesets Ruby/Sapphire are listed here. VGC Omastar Competitive Movesets can be found here. Find various EV spreads, find the best nature for Omastar in Ruby/Sapphire along with competitive movesets. Basic info and Movesets for evolution