Boltund Guide to Stats, Abilities, Moves, and Evolution

Yamper’s evolution is more than a visual upgrade. At level 25, the cheerful puppy becomes Boltund, one of the quickest unboosted Pokémon available in Pokémon Sword and Shield. Its base 121 Speed lets it move before threats such as Alakazam and Cinderace under equivalent training conditions, giving it a clear role as a fast attacker, cleaner, or revenge killer.

Boltund is not a heavy-duty wall-breaker or a defensive switch-in. Its value comes from attacking first, exploiting Strong Jaw, spreading paralysis, and choosing the correct coverage move before the opponent can respond. This guide focuses on those practical decisions rather than listing every move Boltund can technically learn.

Quick Facts

Boltund’s species data, breeding information, dimensions, Abilities, evolution method, and base stats are documented in the Generation VIII Pokédex data.

Boltund’s Design and Background

Boltund is a lean, four-legged canine with long legs, pointed ears, a narrow muzzle, and a raised tail shaped like a lightning bolt. Its yellow upper body, pale chest markings, darker lower body, and athletic proportions create the appearance of an electrically powered racing or hunting dog.

The design appears to draw from swift canine breeds, including sighthounds and foxhounds. That hunting influence also fits Boltund’s relationship with Thievul: official Pokédex material identifies Boltund as the fox-like Pokémon’s natural enemy.

How to Evolve Yamper Into Boltund

Yamper evolves into Boltund as soon as it reaches level 25. No Evolution Stone, held item, friendship target, trade, weather condition, or special location is required. Keep Yamper in the party, use it in battles, or give it enough experience items to reach the required level.

For the fastest route, complete Max Raid Battles and use the resulting Exp. Candy on Yamper. Official Sword and Shield guidance confirms that Max Raid Battles can reward Exp. Candy and Rare Candy, making them an efficient alternative to repeatedly battling wild Pokémon.

Boltund Base Stats

Boltund’s offensive stats are usable rather than exceptional. Its 90 Attack becomes threatening because Strong Jaw multiplies the power of biting moves, while its 90 Special Attack gives Competitive a functional purpose. The two defensive stats of 60 explain why Boltund should enter through a safe switch, a knockout, or a slow pivot rather than absorbing direct attacks.

Why Boltund’s Speed Tier Matters

With maximum Speed investment, a Speed-boosting nature, and perfect Speed IVs, Boltund can reach 190 Speed at level 50. Under the same conditions, Alakazam reaches 189 and Cinderace reaches 188. Boltund therefore wins those natural Speed comparisons unless another factor—such as a Choice Scarf, paralysis, Tailwind, weather Ability, or prior stat boost—changes the order.

This speed makes Boltund useful against offensive teams containing already-weakened targets. It can also pressure Pokémon such as Salazzle, Virizion, Alolan Raichu, and other fast attackers from Sword and Shield’s lower competitive tiers. Speed alone does not make Boltund dominant, but it gives the Pokémon a clear reason to be selected over slower Electric-type attackers.

Strong Jaw or Competitive?

Strong Jaw increases the power of biting moves by 50%. It is the best Ability for most physical Boltund builds because Thunder Fang, Fire Fang, Psychic Fangs, Bite, and Crunch all receive the multiplier. Strong Jaw is not exclusive to Boltund, but Boltund’s speed and access to several useful biting attacks make the combination especially effective.

Competitive raises Boltund’s Special Attack by two stages when an opponent lowers one of its stats. In doubles, this can punish Intimidate users such as Incineroar or Landorus-T when those Pokémon are legal in the selected format. However, Competitive boosts Special Attack rather than Attack, so it does not improve Boltund’s physical fang moves.

For singles, choose Strong Jaw unless the team is specifically designed around a special anti-stat-drop strategy. Competitive is more interesting in doubles, where Intimidate is common, but Boltund remains a niche selection rather than a standard top-level VGC Pokémon.

The Moves That Actually Matter

Boltund has a reasonably broad learnset, but only a smaller group of moves consistently supports its main roles.

Boltund also learns options such as Dig, Thunder Wave, Charm, Electric Terrain, Rising Voltage, and Howl, but these are more situational. A focused set normally performs better than one filled with moves that are useful only in rare matchups.

Thunder Fang Versus Wild Charge

At first glance, Wild Charge appears stronger because it has 90 base power, compared with Thunder Fang’s 65. Strong Jaw changes that calculation. The Ability raises Thunder Fang’s effective base power to 97.5 before same-type attack bonus, allowing it to hit slightly harder than Wild Charge while avoiding recoil.

Thunder Fang still has 95% accuracy, so it can miss, whereas Wild Charge has 100% accuracy. Wild Charge may also remain relevant on a Competitive set because Strong Jaw is not active there. For a standard physical Strong Jaw build, however, Thunder Fang is generally the more efficient STAB attack.

Best Physical Boltund Moveset

The physical all-out attacker is Boltund’s most reliable singles build. It uses the Pokémon’s natural Speed and converts its modest Attack into meaningful damage through Strong Jaw and an offensive held item.

• Boltund @ Life Orb / Choice Band
• Ability: Strong Jaw
• Nature: Jolly
• EVs: 252 Attack / 4 Defense / 252 Speed
• Thunder Fang
• Fire Fang
• Psychic Fangs
• Play Rough or Crunch

Life Orb is the flexible choice because Boltund can change attacks when the opponent brings in a resistance or immunity. Choice Band produces more immediate damage but locks Boltund into one move, which can be dangerous when a Ground type is waiting to enter. Smogon’s Generation VIII analysis uses this exact offensive structure, with Life Orb and Choice Band as the main item options.

I would use Life Orb on most balanced teams and Choice Band only when strong prediction and aggressive switching are already central to the team. Boltund is fragile, but being locked into Thunder Fang against a Ground-type switch-in is often more damaging than Life Orb recoil.

Doubles and Anti-Intimidate Build

Competitive provides Boltund with a different role in Double Battles. The aim is to punish opposing stat reduction, retain high natural Speed, and either deal special damage or provide immediate speed control.

• Boltund @ Focus Sash
• Ability: Competitive
• Nature: Timid
• EVs: 4 Defense / 252 Special Attack / 252 Speed
• Thunderbolt
• Nuzzle
• Helping Hand or Electrify
• Protect

This is a situational support-attacker rather than a universal VGC set. Focus Sash helps Boltund survive one otherwise fatal attack, Nuzzle slows an opposing threat, and Competitive can turn an Intimidate activation into a two-stage Special Attack increase. Protect remains important for reading double-targets and stalling opposing field effects.

Matchups Boltund Can Exploit

Boltund performs best against fast or moderately frail Pokémon that dislike its coverage. Thunder Fang pressures Water and Flying targets, Fire Fang punishes Pokémon such as Ferrothorn, and Crunch can threaten Ghost- and Psychic-type opponents. Psychic Fangs is particularly valuable because it combines respectable Strong Jaw-boosted damage with screen removal.

Its Speed also makes Boltund effective at finishing damaged attackers before they can move. Historical Generation VIII analyses identify targets such as Salazzle, Virizion, Vileplume, Weezing, Bewear, Scrafty, Gengar, Corviknight, and Ferrothorn as Pokémon affected by particular parts of Boltund’s coverage. Exact results still depend on items, EVs, prior damage, and format rules.

Pokémon That Stop Boltund

Bulky Ground types are Boltund’s most consistent problem. Hippowdon, Runerigus, Claydol, and defensive Ground-type combinations can ignore Electric attacks and survive much of its coverage. Excadrill is vulnerable to Fire Fang but remains dangerous because a missed prediction can give it a free turn to attack or set up.

Boltund also dislikes priority attacks, Choice Scarf users, defensive chip damage, and physically bulky neutral targets. Its low defenses mean that Life Orb recoil, entry hazards, sand, and an opposing priority move can quickly end a sweep. It should usually be treated as a cleaner or revenge killer, not as the team’s primary wall-breaker.

Best Teammates for Boltund

Corviknight is a natural partner because its Flying typing gives it immunity to Ground attacks aimed at Boltund. It can also use U-turn to bring Boltund into battle without forcing the Electric type to absorb a direct hit. In return, Boltund can pressure several Water and Flying Pokémon that may slow Corviknight down.

Rillaboom attacks Ground types with powerful Grass moves and can establish Grassy Terrain through Grassy Surge. In Generation VIII, Grassy Terrain halves damage from Earthquake, Bulldoze, and Magnitude against grounded targets, giving Boltund extra protection from several common Ground attacks.

Water types that threaten Ground Pokémon and slow pivots that use U-turn, Volt Switch, or Teleport can also help. The ideal team creates safe entries for Boltund and weakens its counters before asking it to clean the final turns.

Where to Find Boltund in Pokémon Sword and Shield

Wild Boltund encounters in the base game are closely tied to thunderstorm weather:

A high-level wandering Boltund can also appear at North Lake Miloch after the main story. Expansion Pass owners can find Boltund at Ballimere Lake, in selected Max Raid dens, and through Dynamax Adventures.

Players who want Boltund during the main story do not need to wait for the later Wild Area encounters. Catching an early Yamper and evolving it at level 25 is the simplest and most dependable route.

Availability in Newer Pokémon Games

Boltund remains primarily associated with Pokémon Sword and Shield. It cannot be obtained or transferred for use in Pokémon Scarlet and Violet, and it is also unobtainable in Pokémon Legends: Z-A as of July 2026. Pokémon HOME storage does not override a game’s compatibility list, so a stored Boltund cannot be moved into a title that does not support it.

It can still be raised, bred, trained, used in battles, and transferred between compatible Sword and Shield save files through supported services. Players building a Boltund specifically for Generation VIII should therefore keep the final destination game in mind before investing in training.

Interesting Facts About Boltund

• Boltund’s Sword Pokédex entry says it can run continuously for three full days by channeling electricity into its legs.
• Its Shield entry states that it can exceed 50 miles per hour at top speed.
• Its name may combine bolt with “Hund,” a German word for dog, or with the English word “hound.”
• Boltund is described as the natural enemy of Thievul.
• It is the only Pokémon that naturally receives Strong Jaw but cannot learn Ice Fang.

Final Verdict

Boltund is good when a team needs immediate Speed, flexible biting coverage, or a late-game cleaner. Its 121 Speed is genuinely impressive, and Strong Jaw gives Thunder Fang, Fire Fang, Psychic Fangs, and Crunch enough force to threaten weakened teams without relying entirely on Wild Charge recoil.

My tactical recommendation is to use Boltund as a specialist rather than a centerpiece. Bring it in safely, remove or weaken Ground-type counters, and avoid asking it to trade hits. A Jolly, maximum-Speed Strong Jaw build with Life Orb offers the best balance of damage, flexibility, and practical usability for most singles teams.

FAQs

Does Boltund have a Gigantamax form?

Boltund can Dynamax in Sword and Shield, but it does not have a unique Gigantamax form or a species-specific G-Max move.

Can Boltund learn Ice Fang?

No. Boltund can learn Thunder Fang and Fire Fang, but Ice Fang is absent from its compatible Sword and Shield movepool.

Is Strong Jaw Boltund’s signature Ability?

No. Several Pokémon can have Strong Jaw. Boltund stands out because it combines the Ability with base 121 Speed and multiple biting moves.

Can Boltund move from Pokémon HOME into Scarlet or Violet?

No. Boltund is not supported by Scarlet or Violet, so Pokémon HOME cannot transfer it into either game.