The next generation ofPokemongames is set to begin in 2022 with the release ofPokemon Scarlet & Violet. Like the previous three generations, these titles will be introducing a new gameplay mechanic into Pokemon battling that will influence the competitive scene for years to come. However, this feature offers a new twist in the series.

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Gyarados in the Pokemon anime

While previous generations featured Mega Evolution, Z-Moves, and Dynamaxing, Gen 9 will introduce Terastallizing. With this function, players will be able to change the type of their Pokemon, turning the tides of battle and surprising their opponents. Of all the Pokemon confirmed to appear inScarlet & Violetso far, these ones would benefit most from Terastallizing.

8Gyarados

Asone of the most iconic Pokemon to come out of the 1st generation, Gyarados is always a potential teammate for hardcore players. The Water/Flying-type has seen better years competitively, however. As of now, it’s consistently ranked in the UU tier, albeit receiving a boost to OU with its Water/Dark-type Mega Evolution.

With Terastallizing, players may find a new reason to keep Gyarados around. As a Water and Flying type Pokemon, it suffers an egregious 4x weakness to Electric-type Pokemon. However, a quick switch to Ground Tera-type can counter that weakness, while also giving it STAB on powerful moves like Earthquake and Bulldoze.

A Scizor in the Pokemon anime

7Scizor

Like Gyarados, Scizor is guilty of having a 4x weakness, its soft spot being Fire-type Pokemon. However, the addition of the mysterious Terastal phenomenon will be a positive change for players who prefer Scizor overother Bug/Steel-types, like Forretress or Genesect. To counter Fire-types, Scizor could change to Water, Ground, or Rock-type.

The only flaw of Scizor changing into any of these types would be its limited movepool, not having access to STAB moves. However, the game developers thought ahead, giving all Pokemon access to the move Tera Blast, which changes to a Pokemon’s specific Tera type. Scizor can also take advantage of non-STAB movies with its Technician ability.

Altaria flying in the Pokemon anime

6Altaria

Altaria had quite the improvement in the 6th generation games with her Mega Evolution, which gave it the unique Dragon/Fairy-typing. This gave it immunity to Dragon-types, while also trading its weakness to Rock with Poison and Steel. SinceMega Evolution doesn’t seem to be returning, however, Altaria will be stuck with its standard Dragon/Flying-typing.

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That is, until it takes advantage of the ability to Terastallize. Given that its standard form is 4x weak to Ice-type, it would be wise to pick a Tera type that would counter this. Fighting or Steel type would be a good counter, which Steel-type giving it an extra edge against threatening Fairy-type attackers and making it a good defense for Alolan Ninetales.

5Lucario

Despite Lucario’s popularity in the anime and theSuper Smash Brosfranchise, the Pokemon hasn’t shone brightly in competitive play.It had a brief stint in the Uber tierwith Mega Lucario, but Mega Evolution’s absence in later gens hasn’t been a positive for Lucario. It usually struggles due to its mediocre Speed and HP stats.

Particularly, its weakness to Fighting-types and Ground-types makes it a difficult Pokemon to succeed competitively, especially in a world of Therian Landoruses and Groudons. However, by changing its Tera type to Water or Fairy, Lucario could all of a sudden be a smart counter to some competitive threats, though its Speed is still an issue.

Lucario smiling in the Pokemon anime

4Gogoat

After being absent from Gen 8 entirely, Gogoat makesa highly-anticipated return inScarlet & Violet. Gogoat still boasts incredible HP and some Ability boosts if paired with Grassy Terrain. However, it’s never stood out competitively due to being a pure-Grass type, resulting it in having five type disadvantages: Flying, Poison, Bug, Fire, and Ice.

Fortunately, Terastallizing with some strategy would do wonders for Gogoat. If turned into a Rock-type Pokemon, Gogoat would counter four of his five usual weaknesses, which can definitely be a detriment to opponents. It even has access to powerful Rock-type moves like Rock Slide and Rollout, though it could always rely on Tera Blast for STAB.

Ash, Cilan, and Pikachu stare at Gogoat in the anime

3Lycanroc

Speaking of pure-Rock types, Lycanroc will be returning inPokemon Scarlet & Violet. Lycanroc is pretty special thanks to its three alternate types, its hard-to-obtain Dusk form beinga fan-favorite in the competitive scene, despite its under-usage. Even in spite of its weakness to five different types, Lycanroc can turn the tide by using the Terastal ability.

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Dusk Form Lycanroc in the anime

Some good types for Lycanroc would be Flying, Grass, Fire, or Ice-types. Fire, for instance, covers its weaknesses to Grass and Steel, while Grass covers its Ground and Water disadvantages. Lycanroc also has a diverse enough moveset to warrant Tera-type changes into Fairy-type (for Play Rough STAB) or Dark-type (for Sucker Punch and Crunch).

2Hisuian Zoroark

Hisuian Zoroark debuted in the spin-off titlePokemon Legends: Arceus, which takes place in an ancient version of the Sinnoh region. Upon its announcement, Hisuian Zoroark caught the eye of prospective competitive players due to its extremely unique Normal/Ghost-typing. Additionally, it boasts very strong Attack, Special Attack, and Speed stats.

It may seem sacrilegious to mess with Hisuian Zoroark’s incredibly viable typing, but, given its confirmed appearance inScarlet & Violet, players might as well experiment. For instance, Hisuian Zoroark’s one weakness is Dark-type Pokemon, so turning into a Fairy-type would be a great switch, although Zoroark has better STAB options with Fighting-type.

Hisuian Zoroark in a tundra in Pokemon Legends Arceus

1Paldean Wooper

InScarlet & Violet’snew Paldea region, it’s been confirmedthere will be new regional forms to encounter. The only one confirmed so far is Paldean Wooper, who trades its Water/Ground-typing for Poison/Ground, which it only shares with Nidoking and Nidoqueen. With Paldean Wooper sure to have a new Quagsire to evolve into, its typing may change again.

Particularly, Paldean Wooper is very weak to its original form’s types: Water and Ground. Fortunately, these types could be easily countered if Paldean Wooper changes its Tera type to Grass-type. Like Gogoat, this would make it susceptible to many other types, but perhaps Paldean Wooper will have a diverse enough movepool to make up for it.

Paldean Wooper by a lake in Pokemon Scarlet & Violet

Pokemon Scarlet & Violetwill release for Nintendo Switch on June 05, 2025.

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