Hydro Pump
Omastar is a Rock/Water-type Pokemon in Pokemon GO, originally from the Kanto region (#139, Generation 1). With a max CP of 3,150 and base stats of 207/201/172 (Atk/Def/Sta), Omastar has a total stat product of 580.
Omastar is weak to Grass, Electric, Fighting, Ground-type moves (double weak to Grass). It resists Fire, Flying, Ice, Normal, Poison-type attacks. Omastar is a 5.0 km buddy Pokemon.
Stats
Type Chart
Moves
Fast Moves
Charged Moves
Best Moveset Analysis
Among fast moves, the highest DPS option is Rock Throw (13 DPS), while Mud Shot generates energy the fastest (12 EPS). Note that Rock Slide is an Elite TM move and cannot be obtained through regular TMs.
Forms & Variants
Raid Guide
Omastar as Raid Boss
Not Currently in RaidsOmastar is not currently available as a raid boss. When Omastar returns to raids, here are the best counters to defeat it. A 100% IV Omastar from raids would have 1592 CP at level 20, or 1990 CP at level 25 with weather boost.
Best Counters to Beat Omastar
Omastar is weak to Grass, Electric, Fighting, Ground-type moves, so counters with these move types will deal the most damage.
How to Get Omastar
Omastar evolves from Omanyte using 50 Candy.
A Shadow version of Omastar is available from Team GO Rocket. Shadow Omastar knows Frustration as its charged move, which can be removed with a Charged TM. Purifying costs 5,000 Stardust and 5 Candy, and the purified form learns Return. Walking Omastar as your buddy earns 1 candy every 5.0 km.
Omastar Catch CP
These are the possible CP values when encountering Omastar in different scenarios. The range shows minimum (lowest IV floor) to maximum (100% perfect IV).
A 100% IV Omastar from raids or eggs will show 1,592 CP at level 20. If you see this number, don't hesitate — it's a perfect catch!
Trainer Tips
Omastar is a Rock/Water-type Pokemon with a stat total of 580. With its high Attack stat (207), Omastar is best suited for offensive roles in both raids and PvP.
Be careful of Omastar's double weakness to Grass-type moves, which deal 156% increased damage. Opponents with these move types can take down Omastar very quickly.
Omastar's moves get a damage boost in Partly Cloudy and Rainy weather. Take advantage of weather conditions to maximize your DPS in raids and gym battles.
Unlocking a second charged move costs 75,000 Stardust and 75 Candy. With 4 charged moves available, a second move gives Omastar much better coverage in PvP battles.
Should I Invest in Omastar?
Power-Up Costs
Verdict
Collector's Pick
Omastar is a Rock/Water-type Pokemon with base stats of 207/201/172 (Atk/Def/Sta) and a max CP of 3,150. While it doesn't currently rank among the top raid attackers or PvP contenders, every Pokemon has its place in a trainer's collection. Omastar may shine during specific events, in limited-format cups, or when new moves are added in future updates. For now, hold onto a good IV specimen but save your Stardust and Candy for more impactful investments unless you're a dedicated fan of this Pokemon.
Shadow vs Regular: Shadow Omastar deals 20% more damage but takes ~20% more. For raids, Shadow is generally the better investment. For PvP, evaluate matchups carefully — the bulk loss can be significant.