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 our Honkai Star Rail Asta build, 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.
Which light cone should I use for Honkai Star Rail’s Asta?
The four-star light cone Planetary Rendezvous is Asta’s signature one, 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 the best five-star light cone for Asta, increasing her energy regeneration rate, restoring skill points for her team, and boosting an ally’s damage. In terms of four-star options, we recommend Memories of the Past or Carve the Moon, Weave the Clouds. If you don’t have any of those, most Harmony light cones offer Asta decent benefits, including Dance! Dance! Dance! and Past and Future, along with the other three-star options.
| Light cone | Effect | How to obtain |
| 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 |
| Memories of the Past | Increases the wearer’s break effect by 28%. When the wearer attacks, they regenerate an additional four energy. This can only trigger once per turn | Gacha |
| Carve the Moon, Weave the Clouds | At the start of the battle and whenever the wearer’s turn begins, they randomly gain one of the following effects:
|
Nameless Honor battle pass reward |
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 prioritizing the following stats. The increased 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 capitalize on the buffs offered by the Simulated Universe relic sets, and potentially proc her passive more frequently.
Main stats:
- Feet: speed
- Head: fire damage bonus
- Article: effect hit rate
Sub-stats:
- Fire damage bonus
- Effect hit rate
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.
Active skills:
| Skill | Effect |
| Basic attack: Spectrum Beam | Deal 50% of Asta’s attack as fire damage to a target enemy |
| Skill: Meteor Storm | Deal 25% of Asta’s attack as fire damage to a target enemy and bombard them four more times. Each bombardment deals 25% of Asta’s attack as fire damage to a random enemy |
| Ultimate: Astral Blessing | Increases the speed of all allies by 36 for two turns |
Talent:
| 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 7% up to five times. At the start of every turn, Asta’s charging stack count is reduced by three |
Technique
| Skill | Effect |
| Miracle Flash | Immediately attack the enemy. After entering battle, deal 50% of Asta’s attack as fire damage to all enemies |
Traces:
| Traces | Effect |
| Sparks | Asta’s basic attack has an 80% chance to burn enemies for three turns. Burned enemies take fire DoT equal to 50% of damage dealt by her basic attack each turn |
| Ignite | When Asta is on the field fire damage increases by 18% |
| Constellation | Increases Asta’s defense by 6% for each Charging stack |
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: Star Sings Sans Verses or Vocals | When using Asta’s skill, deal additional damage once to a target enemy |
| E2: Moon Speaks in Wax and Wane | When using Asta’s ultimate, she doesn’t reduce her charging stacks for the next turn |
| E3: Meteor Showers for Wish and Want | Increases the level of Asta’s skill level by two, up to a maximum of level 15, and the level of her talent by two, up to a maximum of ten |
| E4: Aurora Basks in Beauty and Bliss | When Asta’s talent charging stack count reaches two or higher, her energy restoration rate increases by 15% |
| E5: Nebula Secludes in Cold Cosmos | Increases the level of Asta’s ultimate by three, up to a maximum of level 15, and increases the level of her basic attack by one, up to a maximum of level ten |
| E6: Galaxy Dreams in Calm and Comfort | The charging 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 and five silvermane insignia |
| 50 | 32k | Five endotherm chitin and eight silvermane insignia |
| 60 | 64k | 15 endotherm chitin and five silvermane medals |
| 70 | 128k | 28 endotherm chitin and 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 demeanor 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.
