As a Water-type, Blastoise fills a straightforward role. Only weak to Electric and Grass. Known as the Shellfish Pokémon. Known as the Shellfish Pokemon. Can go either physical or special depending on the set.
Blastoise's spread isn't flashy. Sp. Def leads, Speed trails, 4 stats clear the bar. Tough to catch and worth 3 Sp. Def EVs, on a 1.06M XP medium-slow curve.
It crushes its foe under its heavy body to cause fainting. In a pinch, it will withdraw inside its shell.
The rocket cannons on its shell fire jets of water capable of punching holes through thick steel.
Blastoise Weakness
GoodElectric and Grass-type moves hit Blastoise for super-effective damage. It resists 4 types, giving it decent defensive coverage. Blastoise's overall bulk (79/100/105) lets it take a hit or two from most weaknesses before going down.
Blastoise is the final form in a three-stage chain from Squirtle through Wartortle. Breeding this form produces Squirtle eggs (average hatch time). Evolving from Squirtle gave Blastoise the biggest boost in Sp.Def (+41), bringing the total to 530 stats.
How to Evolve
Breed with Blastoise to get Squirtle eggs easily using 58 partners from the Monster and Water1 egg groups. Notable egg moves include Aqua Jet, Aqua Ring, Fake Out and 7 more.
The recommended build leans into Blastoise's strengths as a defensive wall. Sitrus Berry provides a one-time health recovery at low HP, and max HP and Sp. Def EVs back that up. Raindish rounds out the package.
Best Build
Best Blastoise Moveset
- Fake Out
- Protect
- Follow Me
- Aqua Jet
Recommended Teammates
Don't skip the egg moves. Blastoise picks up Aqua Jet and Aqua Ring only through breeding, and both fill gaps the natural movepool can't. STAB runs through Water Spout and Hydro Pump while coverage across 9 types adds range.
Level-Up Moves
TM Moves
Egg Moves
Tutor Moves
Blastoise isn't available in the wild in Sword & Shield. Start by transferring Squirtle from Red, Yellow, or Brilliant Diamond. The evolution path from Squirtle to Blastoise is covered in the steps below.
How to Obtain Blastoise in Sword & Shield
Step 3Blastoise ✓
Blastoise has a 530 base stat total and ranks as C-Tier — a situational pick that fills a niche. It works best as a balanced. Base 105 Sp. Def is where it shines.
Torrent strengthens water moves to inflict 1.5× damage at 1/3 max HP or less — that's the one you want on Blastoise. Rain Dish is the hidden ability. Niche, but it has its uses.
Blastoise fills the balanced role. It's a mixed attacker — base 83 Attack and 85 Sp. Atk. Base 78 Speed is workable — faster than some, slower than many. And it's tanky enough to absorb a few hits.
Blastoise appears in 21 games, including Yellow, Red & Blue, and Gold & Silver.
Blastoise first appeared in Red & Blue and spans 21 games across 9 generations. It later gained a Mega form in Generation 7 and a Gigantamax form in Generation 8, adding new dimensions to its competitive identity.
- Gen IY
Yellow - Gen IRBDebut

Red & Blue - Gen IIGS

Gold & Silver - Gen IIC
Crystal - Gen IIIRS

Ruby & Sapphire - Gen IIIFRLG

FireRed & LeafGreen - Gen IIIE
Emerald - Gen IVPt
Platinum - Gen IVHGSS

HeartGold & SoulSilver - Gen IVDP

Diamond & Pearl - Gen VBW

Black & White - Gen VB2W2

Black 2 & White 2 - Gen VIXY

X & Y - Gen VIORASMega

Omega Ruby & Alpha Sapphire - Gen VIIUSUM

Ultra Sun & Ultra Moon - Gen VIISM

Sun & Moon - Gen VIILGPE

Let's Go Pikachu & Eevee - Gen VIIISwShGigantamax

Sword & Shield - Gen VIIIPLA
Legends: Arceus - Gen VIIIBDSP

Brilliant Diamond & Shining Pearl - Gen IXSV

Scarlet & Violet - Gen IXLZA
Legends: Z-A