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Omastar
Rock 
Water
No.139
Max Move:
Max QuakeMax GeyserMax Rockfall*
Max QuakeMax GeyserMax Rockfall*Overall Rating
S
⚔️ Attack Rating
S
Rock Type #2
🛡️ Tank Rating
S
vs Darumaka #2
Evolutions
Evaluation Criteria (rank = best rank across all bosses)
Attack Rating: Best rank in the per-type Dynamax power ranking among the types it can use.
Tank Rating: Takes the higher of Max Battle boss durability (all-move average) and type-by-type durability, factoring in 0.5s fast moves (none: -1 tier).
Overall Rating: Takes the higher of Attack Rating and Tank Rating. Displayed in 6 tiers from S+ to D.
Tank Rating: Takes the higher of Max Battle boss durability (all-move average) and type-by-type durability, factoring in 0.5s fast moves (none: -1 tier).
Overall Rating: Takes the higher of Attack Rating and Tank Rating. Displayed in 6 tiers from S+ to D.
Attack Rating
| S+ | Rank 1 |
| S | Rank 2-3 |
| A | Rank 4-6 |
| B | Rank 7-10 |
| C | Rank 11-20 |
| D | Rank 21+ |
Tank Rating (Durability)
| S+ | Rank 1 |
| S | Rank 2-4 |
| A | Rank 5-7 |
| B | Rank 8-10 |
| C | Rank 11-20 |
| D | Rank 21+ |
⚡ No 0.5s Move → -1 Tier
Overall Rating: Takes the higher of Attack Rating and Tank Rating (S+ > S > A > B > C > D)
Omastar's Top 5 Effective Bosses
⚔️ Top 5 Effective Bosses (Attack)
🛡️ Top 5 Effective Bosses (Tank)
Omastar's Type-by-Type Power Ranking
Shows its power rank among all attackers for each Dynamax move type it can use (top 5 types).
2
Rock
6
Ground
9
Water
Omastar's Type-by-Type Durability Ranking
Shows how this Pokémon ranks among all attackers for durability against each boss attack type (top 5 types).
2
Fire
13
Flying
15
Normal
19
Poison
20
Ice
Omastar's Best Bosses — Attack Ranking
Omastar is most effective against these bosses, ranked by Dynamax move damage.
| Rank | Boss | |
|---|---|---|
| 2 |  | Gigantamax Butterfree |
| 3 |  | Gigantamax Charizard |
| 3 |  | Articuno |
| 3 |  | Moltres |
| 3 |  | Ho-Oh |
| 6 |  | Gigantamax ストリンダー |
| 6 | .png){kind=small} | ストリンダー(ローなすがた) |
| 6 | .png){kind=small} | Toxtricity |
| 7 |  | Zapdos |
| 13 |  | Gigantamax Cinderace |
Omastar's Best Bosses — Tank Ranking
Omastar survives longest against these bosses, ranked by durability index.
| Rank | Boss | |
|---|---|---|
| 3 | | Gigantamax Charizard |
| 3 | | Moltres |
| 15 |  | Entei |
| 16 | | Articuno |
| 18 |  | Eternatus Eternamax |
| 26 |  | Lugia |
| 28 |  | Gigantamax Lapras |
| 29 |  | Gigantamax Blastoise |
| 40 |  | Gigantamax Meowth |
| 40 | | Gigantamax Cinderace |
Omastar's Ranking vs Each Boss
| Boss Name | Difficulty | ⚔️ Attack Rank | 🛡️ Tank Rank | |
|---|---|---|---|---|
| Gigantamax Butterfree | G-Max | 2 | 54 |
| Gigantamax Charizard | G-Max | 3 | 3 |
| Gigantamax ストリンダー | G-Max | 6 | 90 |
| Gigantamax Cinderace | G-Max | 13 | 40 |
 | Gigantamax Pikachu | G-Max | 15 | 89 |
| Gigantamax Lapras | G-Max | 25 | 28 |
 | Gigantamax Garbodor | G-Max | 29 | 55 |
 | Gigantamax Gengar | G-Max | 35 | 52 |
| Gigantamax Blastoise | G-Max | 55 | 29 |
 | Gigantamax Kingler | G-Max | 55 | 48 |
 | Gigantamax Inteleon | G-Max | 55 | 50 |
 | Gigantamax Grimmsnarl | G-Max | 61 | 58 |
 | Gigantamax Venusaur | G-Max | 65 | 113 |
| Gigantamax Meowth | G-Max | 68 | 40 |
 | Gigantamax Snorlax | G-Max | 68 | 49 |
 | Gigantamax Rillaboom | G-Max | 69 | 125 |
 | Gigantamax Machamp | G-Max | 75 | 84 |
| Moltres | Legendary | 3 | 3 |
| Articuno | Legendary | 3 | 16 |
| Ho-Oh | Legendary | 3 | 60 |
| Zapdos | Legendary | 7 | 71 |
| Entei | Legendary | 13 | 15 |
 | Raikou | Legendary | 15 | 87 |
| Lugia | Legendary | 20 | 26 |
 | Regice | Legendary | 29 | 75 |
 | Regirock | Legendary | 29 | 83 |
| Eternatus Eternamax | Legendary | 33 | 18 |
 | Registeel | Legendary | 33 | 78 |
 | Suicune | Legendary | 55 | 46 |
 | Latias | Legendary | 56 | 70 |
 | Latios | Legendary | 56 | 99 |
| ストリンダー (ローなすがた) | ★4 | 6 | 86 |
| Toxtricity | ★4 | 6 | 90 |
 | Duraludon | ★4 | 23 | 53 |
 | Electabuzz | ★3 | 15 | 91 |
 | Beldum | ★3 | 28 | 63 |
 | Cryogonal | ★3 | 29 | 91 |
 | Sableye | ★3 | 55 | 49 |
 | Drampa | ★3 | 62 | 49 |
 | Chansey | ★3 | 68 | 52 |
 | Falinks | ★3 | 75 | 92 |
 | Hitmonchan | ★3 | 75 | 95 |
 | Hitmonlee | ★3 | 75 | 105 |
 | Passimian | ★3 | 75 | 105 |
 | Darumaka | ★2 | 13 | 2 |
 | Shuckle | ★2 | 17 | 44 |
 | Wailmer | ★2 | 55 | 43 |
 | Eevee | ★2 | 68 | 41 |
 | Machop | ★2 | 75 | 105 |
 | Combee | ★1 | 2 | 66 |
 | Charmander | ★1 | 13 | 2 |
 | Scorbunny | ★1 | 13 | 2 |
 | Growlithe | ★1 | 13 | 3 |
 | Pidove | ★1 | 14 | 4 |
 | Rookidee | ★1 | 15 | 24 |
 | Pikachu | ★1 | 15 | 89 |
 | Caterpie | ★1 | 16 | 13 |
 | Drilbur | ★1 | 19 | 81 |
 | Trapinch | ★1 | 19 | 83 |
 | Woobat | ★1 | 20 | 26 |
 | Spheal | ★1 | 25 | 22 |
 | Roggenrola | ★1 | 29 | 55 |
 | Trubbish | ★1 | 29 | 68 |
 | Gastly | ★1 | 35 | 36 |
 | Omanyte | ★1 | 46 | 46 |
 | Kabuto | ★1 | 46 | 46 |
 | Krabby | ★1 | 55 | 47 |
 | Squirtle | ★1 | 55 | 53 |
 | Sobble | ★1 | 55 | 53 |
 | Ralts | ★1 | 57 | 48 |
 | Cottonee | ★1 | 60 | 131 |
 | Abra | ★1 | 62 | 49 |
 | Hatenna | ★1 | 62 | 54 |
 | Bulbasaur | ★1 | 65 | 109 |
 | Inkay | ★1 | 67 | 47 |
 | Wooloo | ★1 | 68 | 64 |
 | Skwovet | ★1 | 68 | 88 |
 | Bounsweet | ★1 | 69 | 118 |
 | Grookey | ★1 | 69 | 131 |
⚔️ Available Max Moves
| Move Name | Type | Move | Power (LV1/LV2/LV3) |
|---|---|---|---|
| Max Quake | Ground | ⚡ Mud Shot | 250 / 300 / 350 |
| Max Geyser | Water | ⚡ Water Gun | 250 / 300 / 350 |
| Max Rockfall* | Rock | Rock Throw* | 250 / 300 / 350 |
* Elite TM required
⚡ 0.5s Move
Fast Moves
| Move Name | Type | Activation Time |
|---|---|---|
| Mud Shot ⚡ 0.5s Move | Ground | 0.5s |
| Water Gun ⚡ 0.5s Move | Water | 0.5s |
| Rock Throw* | Rock | 1.0s |
Charge Moves
| Move Name | Type | Gauge | Power |
|---|---|---|---|
| Hydro Pump | Water | 135 | |
| Rock Blast | Rock | 50 | |
| Ancient Power | Rock | 70 | |
| Rock Slide* | Rock | 75 |