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Asta
Honkai: Star Rail · Character

Asta

Team ATK and SPD support with multi-hit Fire Skill

Released Apr 26, 2023

Asta is a 4-star Fire character on the Harmony path. Consider her when your team benefits from an all-ally SPD increase and ATK support. Her ATK stacks come from hitting distinct enemies, with an extra stack for hitting an enemy with Fire Weakness.

ElementFirePathHarmonyRarity4
Asta GUIDE

Understand Asta

Useful when…

  • Use her Ultimate to raise all allies’ SPD for 2 turns.
  • Build Charging by hitting several different enemies, especially those with Fire Weakness.
  • Use her bouncing Skill when hitting multiple enemies can build stacks or deal Fire damage.

SPD and ATK support

Asta’s Ultimate increases every ally’s SPD by 36 for 2 turns. Her Talent gives one Charging stack for each different enemy she hits, plus one extra when the enemy has Fire Weakness. Each stack increases all allies’ ATK by 7%, up to 5 stacks. Starting from her second turn, she loses 3 stacks at the beginning of each turn. Her team ATK bonus therefore depends on enemy variety and stack upkeep, while her SPD boost comes directly from the Ultimate. [Initial parameters.]

Practical use and Skill handling

Her Skill hits a selected enemy and then makes four additional hits against random enemies, for five hits total. This can distribute Fire damage across the field, but the additional targets are random. Her Technique deals Fire damage to all enemies when battle begins. The supplied ability descriptions do not list equipment-specific effects, so practical compatibility here is based on the supported ATK and Fire damage scaling rather than named equipment recommendations. [Ability descriptions.]

Improvement priorities and investment

If you use Asta chiefly for team support, consider Ultimate levels for its SPD buff and Talent levels for the ATK-per-stack effect. Skill levels are more relevant when its damage and multi-hit coverage matter in your use. The trace tree lists Fire DMG, DEF, and CRIT Rate bonuses; these are less directly tied to her team buffs than the Ultimate and Talent. A listed level 9-to-10 step for Skill, Ultimate, or Talent costs 240,000 Credits, 11 Stellaris Symphonies, one Track of Destiny, and one Destroyer’s Final Road. [Upgrade examples.]

Limits and alternatives

Charging decays from Asta’s second turn, so reaching 5 stacks once does not guarantee maintaining them. Her Skill’s extra hits are random, not controlled targeting. Himeko • Nova shares Fire and Erudition; Guinaifen shares Fire but follows Nihility; The Dahlia also shares Fire and Nihility. Their supplied labels do not establish the same teamwide SPD and stack-based ATK support. [Candidate role and rarity details.]

Limitations and tradeoffs

  • Her ATK bonus depends on stacks that decay each turn from her second turn.
  • The Skill’s extra hits target random enemies.

Common mistakes to avoid

  • Assuming max Charging persists automatically; stacks decay from her second turn.
  • Treating the Skill as five selectable hits on one enemy; the four extra hits are random.
  • Confusing the Ultimate’s 2-turn SPD boost with the Talent’s separately maintained ATK stacks.

Effects and reference details

Spectrum Beam · Basic ATK

Deals Fire DMG equal to 50% of Asta's ATK to one designated enemy.

Ability descriptions by source level. Purchased caps and bonus levels are separate.

Source levelEffect
1Deals Fire DMG equal to 50% of Asta's ATK to one designated enemy.
2Deals Fire DMG equal to 60% of Asta's ATK to one designated enemy.
3Deals Fire DMG equal to 70% of Asta's ATK to one designated enemy.
4Deals Fire DMG equal to 80% of Asta's ATK to one designated enemy.
5Deals Fire DMG equal to 90% of Asta's ATK to one designated enemy.
6Deals Fire DMG equal to 100% of Asta's ATK to one designated enemy.
7Deals Fire DMG equal to 110% of Asta's ATK to one designated enemy.
8Deals Fire DMG equal to 120% of Asta's ATK to one designated enemy.
9Deals Fire DMG equal to 130% of Asta's ATK to one designated enemy.
10Deals Fire DMG equal to 140% of Asta's ATK to one designated enemy.
Meteor Storm · Skill

Deals Fire DMG equal to 25% of Asta's ATK to one designated enemy and further deals DMG for 4 extra times, with each time dealing Fire DMG equal to 25% of Asta's ATK to a random enemy.

Ability descriptions by source level. Purchased caps and bonus levels are separate.

Source levelEffect
1Deals Fire DMG equal to 25% of Asta's ATK to one designated enemy and further deals DMG for 4 extra times, with each time dealing Fire DMG equal to 25% of Asta's ATK to a random enemy.
2Deals Fire DMG equal to 27.5% of Asta's ATK to one designated enemy and further deals DMG for 4 extra times, with each time dealing Fire DMG equal to 27.5% of Asta's ATK to a random enemy.
3Deals Fire DMG equal to 30% of Asta's ATK to one designated enemy and further deals DMG for 4 extra times, with each time dealing Fire DMG equal to 30% of Asta's ATK to a random enemy.
4Deals Fire DMG equal to 32.5% of Asta's ATK to one designated enemy and further deals DMG for 4 extra times, with each time dealing Fire DMG equal to 32.5% of Asta's ATK to a random enemy.
5Deals Fire DMG equal to 35% of Asta's ATK to one designated enemy and further deals DMG for 4 extra times, with each time dealing Fire DMG equal to 35% of Asta's ATK to a random enemy.
6Deals Fire DMG equal to 37.5% of Asta's ATK to one designated enemy and further deals DMG for 4 extra times, with each time dealing Fire DMG equal to 37.5% of Asta's ATK to a random enemy.
7Deals Fire DMG equal to 40.62% of Asta's ATK to one designated enemy and further deals DMG for 4 extra times, with each time dealing Fire DMG equal to 40.62% of Asta's ATK to a random enemy.
8Deals Fire DMG equal to 43.75% of Asta's ATK to one designated enemy and further deals DMG for 4 extra times, with each time dealing Fire DMG equal to 43.75% of Asta's ATK to a random enemy.
9Deals Fire DMG equal to 46.88% of Asta's ATK to one designated enemy and further deals DMG for 4 extra times, with each time dealing Fire DMG equal to 46.88% of Asta's ATK to a random enemy.
10Deals Fire DMG equal to 50% of Asta's ATK to one designated enemy and further deals DMG for 4 extra times, with each time dealing Fire DMG equal to 50% of Asta's ATK to a random enemy.
11Deals Fire DMG equal to 52.5% of Asta's ATK to one designated enemy and further deals DMG for 4 extra times, with each time dealing Fire DMG equal to 52.5% of Asta's ATK to a random enemy.
12Deals Fire DMG equal to 55% of Asta's ATK to one designated enemy and further deals DMG for 4 extra times, with each time dealing Fire DMG equal to 55% of Asta's ATK to a random enemy.
13Deals Fire DMG equal to 57.5% of Asta's ATK to one designated enemy and further deals DMG for 4 extra times, with each time dealing Fire DMG equal to 57.5% of Asta's ATK to a random enemy.
14Deals Fire DMG equal to 60% of Asta's ATK to one designated enemy and further deals DMG for 4 extra times, with each time dealing Fire DMG equal to 60% of Asta's ATK to a random enemy.
15Deals Fire DMG equal to 62.5% of Asta's ATK to one designated enemy and further deals DMG for 4 extra times, with each time dealing Fire DMG equal to 62.5% of Asta's ATK to a random enemy.
Astral Blessing · Ultimate

Increases SPD of all allies by 36 for 2 turn(s).

Ability descriptions by source level. Purchased caps and bonus levels are separate.

Source levelEffect
1Increases SPD of all allies by 36 for 2 turn(s).
2Increases SPD of all allies by 37.4 for 2 turn(s).
3Increases SPD of all allies by 38.8 for 2 turn(s).
4Increases SPD of all allies by 40.2 for 2 turn(s).
5Increases SPD of all allies by 41.6 for 2 turn(s).
6Increases SPD of all allies by 43 for 2 turn(s).
7Increases SPD of all allies by 44.75 for 2 turn(s).
8Increases SPD of all allies by 46.5 for 2 turn(s).
9Increases SPD of all allies by 48.25 for 2 turn(s).
10Increases SPD of all allies by 50 for 2 turn(s).
11Increases SPD of all allies by 51.4 for 2 turn(s).
12Increases SPD of all allies by 52.8 for 2 turn(s).
13Increases SPD of all allies by 54.2 for 2 turn(s).
14Increases SPD of all allies by 55.6 for 2 turn(s).
15Increases SPD of all allies by 57 for 2 turn(s).
Astrometry · Talent

Gains 1 stack of Charging for every different enemy hit by Asta plus an extra stack if the enemy hit has Fire Weakness.
For every stack of Charging Asta has, all allies' ATK increases by 7%, up to 5 time(s).
Starting from her second turn, Asta's Charging stack count is reduced by 3 at the beginning of every turn.

Ability descriptions by source level. Purchased caps and bonus levels are separate.

Source levelEffect
1Gains 1 stack of Charging for every different enemy hit by Asta plus an extra stack if the enemy hit has Fire Weakness. For every stack of Charging Asta has, all allies' ATK increases by 7%, up to 5 time(s). Starting from her second turn, Asta's Charging stack count is reduced by 3 at the beginning of every turn.
2Gains 1 stack of Charging for every different enemy hit by Asta plus an extra stack if the enemy hit has Fire Weakness. For every stack of Charging Asta has, all allies' ATK increases by 7.7%, up to 5 time(s). Starting from her second turn, Asta's Charging stack count is reduced by 3 at the beginning of every turn.
3Gains 1 stack of Charging for every different enemy hit by Asta plus an extra stack if the enemy hit has Fire Weakness. For every stack of Charging Asta has, all allies' ATK increases by 8.4%, up to 5 time(s). Starting from her second turn, Asta's Charging stack count is reduced by 3 at the beginning of every turn.
4Gains 1 stack of Charging for every different enemy hit by Asta plus an extra stack if the enemy hit has Fire Weakness. For every stack of Charging Asta has, all allies' ATK increases by 9.1%, up to 5 time(s). Starting from her second turn, Asta's Charging stack count is reduced by 3 at the beginning of every turn.
5Gains 1 stack of Charging for every different enemy hit by Asta plus an extra stack if the enemy hit has Fire Weakness. For every stack of Charging Asta has, all allies' ATK increases by 9.8%, up to 5 time(s). Starting from her second turn, Asta's Charging stack count is reduced by 3 at the beginning of every turn.
6Gains 1 stack of Charging for every different enemy hit by Asta plus an extra stack if the enemy hit has Fire Weakness. For every stack of Charging Asta has, all allies' ATK increases by 10.5%, up to 5 time(s). Starting from her second turn, Asta's Charging stack count is reduced by 3 at the beginning of every turn.
7Gains 1 stack of Charging for every different enemy hit by Asta plus an extra stack if the enemy hit has Fire Weakness. For every stack of Charging Asta has, all allies' ATK increases by 11.38%, up to 5 time(s). Starting from her second turn, Asta's Charging stack count is reduced by 3 at the beginning of every turn.
8Gains 1 stack of Charging for every different enemy hit by Asta plus an extra stack if the enemy hit has Fire Weakness. For every stack of Charging Asta has, all allies' ATK increases by 12.25%, up to 5 time(s). Starting from her second turn, Asta's Charging stack count is reduced by 3 at the beginning of every turn.
9Gains 1 stack of Charging for every different enemy hit by Asta plus an extra stack if the enemy hit has Fire Weakness. For every stack of Charging Asta has, all allies' ATK increases by 13.13%, up to 5 time(s). Starting from her second turn, Asta's Charging stack count is reduced by 3 at the beginning of every turn.
10Gains 1 stack of Charging for every different enemy hit by Asta plus an extra stack if the enemy hit has Fire Weakness. For every stack of Charging Asta has, all allies' ATK increases by 14%, up to 5 time(s). Starting from her second turn, Asta's Charging stack count is reduced by 3 at the beginning of every turn.
11Gains 1 stack of Charging for every different enemy hit by Asta plus an extra stack if the enemy hit has Fire Weakness. For every stack of Charging Asta has, all allies' ATK increases by 14.7%, up to 5 time(s). Starting from her second turn, Asta's Charging stack count is reduced by 3 at the beginning of every turn.
12Gains 1 stack of Charging for every different enemy hit by Asta plus an extra stack if the enemy hit has Fire Weakness. For every stack of Charging Asta has, all allies' ATK increases by 15.4%, up to 5 time(s). Starting from her second turn, Asta's Charging stack count is reduced by 3 at the beginning of every turn.
13Gains 1 stack of Charging for every different enemy hit by Asta plus an extra stack if the enemy hit has Fire Weakness. For every stack of Charging Asta has, all allies' ATK increases by 16.1%, up to 5 time(s). Starting from her second turn, Asta's Charging stack count is reduced by 3 at the beginning of every turn.
14Gains 1 stack of Charging for every different enemy hit by Asta plus an extra stack if the enemy hit has Fire Weakness. For every stack of Charging Asta has, all allies' ATK increases by 16.8%, up to 5 time(s). Starting from her second turn, Asta's Charging stack count is reduced by 3 at the beginning of every turn.
15Gains 1 stack of Charging for every different enemy hit by Asta plus an extra stack if the enemy hit has Fire Weakness. For every stack of Charging Asta has, all allies' ATK increases by 17.5%, up to 5 time(s). Starting from her second turn, Asta's Charging stack count is reduced by 3 at the beginning of every turn.
Attack

Attacks an enemy, and after entering combat, reduces their Toughness of the corresponding Type.

Miracle Flash · Technique

Immediately attacks the enemy. After entering battle, deals Fire DMG equal to 50% of Asta's ATK to all enemies.

Ability descriptions by source level. Purchased caps and bonus levels are separate.

Source levelEffect
1Immediately attacks the enemy. After entering battle, deals Fire DMG equal to 50% of Asta's ATK to all enemies.

References and version

Game data version: 4.6.0

Asta — Honkai: Star Rail Wiki ↗hsr-build.com ↗honkai-star-rail.fandom.com ↗
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