Honkai Star Rail Asta build

Aboard the Herta Space station, it’s near impossible to do anything without first running it by the lead researcher, Honkai Star Rail’s Asta. This lovely young lady commands the entire space station, and is on a constant search for new knowledge to sate her curiosity. So come along with us as we go stargazing with Honkai Star Rail’s Asta, and learn all about her personality, skills, eidolons, best light cones, and relics.

If you want to introduce yourself to the rest of the Herta Space Station staff, then hop aboard the Astral Express with our Honkai Star Rail tier list and Honkai Star Rail characters guide. We’ve also got builds for all the other friendly faces you can meet on your Trailblazing adventure, including Honkai Star Rail’s Herta, Honkai Star Rail’s Arlan, and more, and plenty of goodies to grab in our Honkai Star Rail codes and Honkai Star Rail events guides.

Now let’s get this research mission underway, as we fly straight into our Honkai Star Rail Asta build guide.

What’s the best Honkai Star Rail Asta build?

Honkai Star Rail’s Asta is a four-star fire character who treads the path of Harmony, meaning her main role is to buff her allies. Her varied kit may seem underwhelming at first glance, but can certainly shine under the right circumstances. She fits quite a niche role, increasing her allies’ speed with her ultimate, and buffing their attack by dealing damage through her passive.

If you equip her with her signature light cone, she works best with other fire characters like Honkai Star Rail’s Hook and Honkai Star Rail’s Himeko. However, she’s not the most sustainable without a shielder or a healer on her team, which restricts your team comp options quite dramatically. On the other hand, the buffs she supplies are not to be sniffed at, as they can quickly sway a battle in your favour.

When building Asta, we recommend aiming to increase her fire damage, effect hit rate, and speed above other stats.

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Which light cone should I use for Honkai Star Rail’s Asta?

The four-star light cone Planetary Rendezvous is tailored specifically to Asta’s kit. However, its skill is very specific, and is only worthwhile if you have a mono-fire team. Therefore, under other circumstances, it may be better to equip her with a different light cone to suit your team’s needs.

But the Battle Isn’t Over is a strong five-star option which increases Asta’s energy regeneration rate, restores skill points for her team, and boosts an ally’s damage. Other than that, pretty much all of the Harmony-aligned light cones offer useful buffs for Asta’s team, so feel free to pick whatever one suits your desired team.

Light cone Effect How to obtain
Planetary Rendezvous When all allies deal the same damage type as Asta, damage dealt increases by 16% Gacha
But the Battle Isn’t Over Increases the wearer’s energy regeneration rate by 10% and regenerates one skill point when the wearer uses their ultimate on an ally. This effect can only occur once every two uses of the wearer’s ultimate. When the wearer uses their skill, the next ally that takes action (other than the wearer) deals 30% more damage for one turn Gacha or the Starlight Exchange store 

Which relics should I use for Honkai Star Rail’s Asta?

Asta’s kit (aside from her ult) revolves around dishing out fire damage and hitting as many enemies as possible. As such, four pieces of Firesmith of Lava-Forging is a decent option for the fire and skill damage increase.

In terms of her two remaining slots, we recommend Fleet of the Ageless for its team-wide buff, or Pan-Galactic Commercial Enterprise to boost her effect hit rate.

Relic Effect How to obtain
Firesmith of Lava-Forging  Two equipped: increases fire damage by 10%
Four equipped: increases Asta’s skill damage by 12%. After she uses her ultimate, increases her fire damage by 12% for her next attack
Cavern of Corrosion: Path of Conflagration in The Xianzhou Luofu’s Stargazer Navalia
Fleet of the Ageless Two equipped: increases Asta’s max HP by 12%. When her speed reaches 120 or higher, all allies’ attack increases by 8% World 3 of the Simulated Universe
Pan-Galactic Commercial Enterprise Two equipped: increases Asta’s effect hit rate by 10%. Meanwhile, her attack increases by an amount equal to 25% of the current hit rate, up to a maximum of 25% bonus World 5 of the Simulated Universe

Relic stat recommendations

When picking relics for Asta, we recommend prioritising the following stats. The increases effect hit rate is intended to help her hit more enemies with her bounce skill, so you can make the most of her passive and use it to buff the attack of your entire team.

We recommend building her speed, too, so you can capitalise on the buffs offered by the Simulated Universe relic sets, and potentially proc her passive more frequently.

Main stats:

  • Feet: speed
  • Neck: fire damage bonus
  • Article: effect hit rate


  • Fire damage bonus
  • Effect hit rate

Honkai Star Rail Asta in the Space Station

What are Honkai Star Rail’s Asta’s abilities?

Here are all of Asta’s abilities. In combat, we recommend using her ultimate as often as possible to keep boosting your team’s overall speed. Her skill doesn’t deal a dramatic amount of damage at base value, but it’s good for chipping down enemy weaknesses and charging up her ultimate faster.


Skill Effect
Basic attack: Spectrum Beam Deal 50% of Asta’s attack as fire damage to a target enemy
Skill: Meteor Storm Deal 28% of Asta’s attack as fire damage to a target enemy and bombard them four more times. Each bombardment deals 28% of Asta’s attack as fire damage to a random enemy
Ultimate: Astral Blessing Increases the speed of all allies by 45 for two turns


Skill Effect
Astrometry Astra gains a charging stack for every different enemy hit, plus an additional stack if the enemy hit has fire weakness. For every charging stack Asta has, all allies’ attack increases by 6% up to five times. At the start of every turn, Asta’s charging stack count is reduced by three


Skill Effect
Miracle Flash Immediately attack the enemy. After entering battle, deal 50% of Asta’s attack as fire damage to all enemies

What are Honkai Star Rail Asta’s eidolons?

Honkai Star Rail’s eidolons, like Genshin Impact’s constellations, are bonuses and upgrades you can unlock by pulling more than one copy of a character. Here are all of Asta’s eidolons.

Eidolon  Effect
E1: A Star’s Lyricless Song When using Asta’s skill, deal additional damage once to a target enemy
E2: The Moon Understands its Cycle When using Asta’s ultimate, she doesn’t reduce her charging stacks for the next turn
E3: The Ecliptic Meteorite’s Change Increases the level of Asta’s ultimate level by three, up to a maximum of level 15, and the level of her basic attack by one, up to a maximum of ten
E4: When the Aurora Manifests When Asta’s talent charging stack count reaches one or higher, her energy restoration rate increases by 25%
E5: Mystery of Deep Space Objects Increases the level of Asta’s skill by three, up to a maximum of level fifteen, and increases the level of her basic attack by one, up to a maximum of level ten
E6: Sleep Under the Milky Way The chagrin stack reduction of Asta’s talent is reduced by one

What are Honkai Star Rail Asta’s ascension materials?

You can get Asta all the way up to level 80, but you need to use specific materials to raise her ascension rank at certain intervals. Here are all the materials you need to get Asta to max level.

You can get the silvermane badges and their higher-grade counterparts, silvermane insignia and silvermane medals, from the silvermane guard enemies on Jarilo-VI, Honkai Star Rail Simulated Universe enemies, assignment rewards, and the embers exchange store. The endotherm chitin are drops from the Shape of Blaze Honkai Star Rail Stagnant Shadow in Jarilo-VI’s silvermane guard restricted zone.

Required level Credits Materials
20 3.2k Four silvermane badges
30 6.4k Eight silvermane badges
40 12.8k Two endotherm chitin, five silvermane insignia
50 32k Five endotherm chitin, eight silvermane insignia
60 64k 15 endotherm chitin, five silvermane medals
70 128k 28 endotherm chitin, seven silvermane medals

Who is Honkai Star Rail’s Asta?

Asta is the lead researcher of Herta Space Station, who possesses a wealth of knowledge about the galaxies around her. She’s a fiercely inquisitive and highly energetic young woman, who takes all of the trials of her job in her stride.

Whether it’s managing opinionated staff, dealing with gossip, handling the Intelligentsia Guild, or fighting back the fragmentum, Asta handles it effortlessly, with a polite, approachable demeanour belying a firmness that demands the respect she deserves.

Asta’s English voice actor is Felecia Angelle, and her Japanese voice actor is Akasaki Chinatsu.

And that’s everything we’ve got on Honkai Star Rail’s Asta. For more Hoyo fun, check out our Genshin Impact tier list, Genshin Impact codes, Genshin Impact banner, and Genshin Impact events guides.

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