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This is a guide to movesets and best builds for using Blastoise in competitive play for the games Pokemon Scarlet and Violet (SV). Read on for tips on the best Nature, EV spreads, Movesets, Tera Type, and Held Items to use with Blastoise, as well as its strengths and weaknesses.
| Blastoise - Related Guides | ||
|---|---|---|
List of Contents
| Blueberry #172 | Type | |
|---|---|---|
Blastoise
|
||
| Abilities | ||
|
Torrent Rain Dish (Hidden) |
||
| Weak to: | ||
| (2x) | ||
| Damaged Normally By: |
(1x) | |
| Resists: | (0.5x) | |
| Ability Name | Description | |
|---|---|---|
| Torrent | Increases the damage of Water-type moves by 50% when the user's HP is below 1/3 its max. | |
| Rain Dish (Hidden) |
The user recovers 6.25% HP during Heavy Rain at the end of each turn. | |
| Stat | Value | Rank |
|---|---|---|
| HP | 79 | 297 |
| Atk | 83 | 358 |
| Def | 100 | 119 |
| SpAtk | 85 | 258 |
| SpDef | 105 | 96 |
| Speed | 78 | 338 |
| Total | 530 | 169 |
| Stat | Max | 0Nat | 0EV | -Nat | Min |
|---|---|---|---|---|---|
| HP | 186 | 186 | 154 | 154 | 139 |
| Atk | 148 | 135 | 103 | 92 | 79 |
| Def | 167 | 152 | 120 | 108 | 94 |
| SpAtk | 150 | 137 | 105 | 94 | 81 |
| SpDef | 172 | 157 | 125 | 112 | 99 |
| Spd | 143 | 130 | 98 | 88 | 74 |
| Best Natures | ||
|---|---|---|
| Modest (+Sp. Atk, -Atk) |
Timid (+Spe, -Atk) |
|
| Build Name | Recommendation |
|---|---|
| Shell Smash | ★★★ |
| Nature | Modest (+Sp. Atk, -Atk) |
|---|---|
| EV Spread | Def 4 / Sp. Atk 252 / Spe 252 |
| Final Stat Values | HP 154 / Def 121 / Sp. Atk 150 / Sp. Def 125 / Spe 130 |
| Ability | Torrent |
| Tera Type |
|
| Held Item | White Herb |
| Moveset | ・
Hydro Pump
・ Ice Beam ・ Flash Cannon ・ Shell Smash |
|
||
|---|---|---|
| Ability | Held Item | |
| Torrent |
|
|
The Ability chosen for this build is Torrent. This will boost the damage of Blastoise's Water-type attacks while it is at low health.
The item chosen for this build is a White Herb. This resets Blastoise's defense drops after it uses Shell Smash.
| Hydro Pump | Ice Beam |
| Flash Cannon | Shell Smash |
Hydro Pump is its best Water-type STAB move, but it only has 80% accuracy.
Ice Beam is its main coverage move that will help it deal with Grass-types.
Flash Cannon is its other coverage move that has its damage boosted once it Terastallizes into Steel.
Shell Smash will boost Blastoise' Sp. Atk and Speed by two stages. It doesn't have to worry about the defensive stat drops because White Herb will reset them back to zero.
| Steel Tera Type Matchup | ||
|---|---|---|
| Weak to: | ||
| (2x) | ||
| Damaged Normally By: |
(1x) | |
| Resists: | (0.5x) | |
| Immune to: | (0x) | |
Steel is the best Tera Type for this build because it is the best defensive type in the game. It will also boost the damage of Blastoise's Flash Cannon.
Alternatively, it could use a Water Tera Type since it is a strong defensive type that further boosts the damage of Blastoise's Water-type STAB moves.
Best Water (Tera) Type Pokemon for Ranked Battle
A full 252 EVs are placed in Blastoise' Sp. Atk and Speed to make it hit as hard and fast as possible. The extra 4 EVs are put into its Def to help round out its bulk.
A Modest nature is preferred to maximize Blastoise's damage output. A Timid nature isn't fast enough to outspeed a Speed Booster Flutter Mane, but Modest still leaves it fast enough to outspeed fast Choice Scarf Pokemon like Landorus Therian.
| Surf | Does less damage than Hydro Pump, but is 100% accurate compared to Hydro Pump's 80% |
|---|---|
|
Aura Sphere
or Dark Pulse |
Strong coverage options that let Blastoise hit Water-types that would otherwise resist its current moveset. |
| Aqua Jet | A +1 priority move that lets Blastoise knockout low-health opponents. |
| Item: Hearthflame Mask | +2 Hydro Pump 160 ~ 190 (102.5 ~ 121.7%) Guaranteed OHKO |
Ability:
Multiscale
Item:
Choice Band
|
+2 Ice Beam 170 ~ 202 (85.8 ~ 102%) 12.5% Chance to OHKO |
| Item: Booster Energy | +2 Flash Cannon 116 ~ 138 (89.2 ~ 106.1%) 37.5% Chance to OHKO |
Game8's Competitive Damage Calculator
While Blastoise has naturally good Defense and Special Defense, it is still susceptible to getting OHKO'd because of its EV spread. Only use Shell Smash when it is safe to do so, otherwise, Blastoise might get knocked out for free.
Blastoise appreciates teammates who can help it safely set up boosts and sweep the enemy team.
| Screens Lead | Special Attacker | Physical Attacker |
|---|---|---|
Alolan Ninetales
|
Blastoise
|
Dragonite
|
Alolan Ninetales can setup screens to make it safer for Blastoise to setup Shell Smash boosts. If Blastoise is knocked out, Dragonite can come in to finish off any survivors with Tera Normal Choice Band boosted Extreme Speeds.
Blastoise's mediocre speed stat makes it easy for faster threats to outspeed. Quickly knocking it out will stop Blastoise from being effective.
| Pokemon | Description |
|---|---|
Ogerpon (Hearthflame Mask)
|
Ranking: ★★★★★
・Both STABs cover for regular and Tera typings. ・One Trailblaze boost is enough to outspeed a Modest Blastoise after one Shell Smash. ▶️ Hearthflame Ogerpon Best Movesets |
Rillaboom
|
Ranking: ★★★★
・Needs to defensively Terastallize to survive a Life Orb-boosted Grassy Glide. ・High Horsepower has a high chance to OHKO if Blastoise becomes Tera Steel. ▶️ Rillaboom Best Movesets |
Chien-Pao
|
Ranking: ★★★★
・Priority Sucker Punch will still let it outspeed Blastoise. ・Generally runs a Focus Sash to survive one hit. ▶️ Chien-Pao Best Movesets |

Movesets & Best Builds for Ranked Battle
| Mythical/Restricted Builds |
|---|
Ranked Battle Regulation J: Rules and Banned Pokemon
| New Indigo Disk Pokemon Builds |
|---|
| New Indigo Disk Pokemon Builds |
|---|
| Returning Indigo Disk Pokemon Builds |
|---|
Blueberry Pokedex: List of All Indigo Disk Pokemon
| All Teal Mask DLC Builds |
|---|
Kitakami Pokedex: List of All Teal Mask DLC Pokemon
| All Pokemon HOME Builds |
|---|
All Pokemon HOME Transferable Pokemon
| All Treasures of Ruin Builds |
|---|
Best Treasures of Ruin Builds for Ranked Battle and Raids
| All Paradox Pokemon Builds |
|---|
Paradox Pokemon Builds for Competitive Battles and Tera Raids
| All Other Gen 9 Meta Pokemon Builds |
|---|
Gen 9 Pokemon: All New Pokemon
| All Gen 1~8 Meta Pokemon Builds |
|---|
| All Off-Meta Pokemon Builds |
|---|
Blastoise Movesets and Best Builds



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