Honkai: Star Rail / Character

Herta

Ice · Erudition · 4★

Honkai: Star Rail hub →

Details Upgrade costs Skills Sources

Stats & requirements

Element: Ice
Path: Erudition
Rarity: 4

Starting stats (first promotion tier)

HP: 129.6
ATK: 79.2
DEF: 54
SPD: 100
TAUNT: 75
CRIT_RATE: 0.05
CRIT_DMG: 0.5

Named skills

Starting-level values from the cited data. Coefficients describe the skill’s inputs, not final damage.

What Are You Looking At?Basic ATK / Single Target

Level 1 coefficient 1: 0.5

One-Time OfferSkill / AoE

Level 1 coefficient 1: 0.5
Level 1 coefficient 2: 0.5
Level 1 coefficient 3: 0.2

It's Magic, I Added Some MagicUltimate / AoE

Level 1 coefficient 1: 1.2

Fine, I'll Do It MyselfTalent / AoE

Level 1 coefficient 1: 0.5
Level 1 coefficient 2: 0.25

Attack

See the source for this talent’s full effect and conditions.

It Can Still Be OptimizedTechnique / Enhance

Level 1 coefficient 1: 0.4
Level 1 coefficient 2: 3

Upgrade & material costs

Choose a track to see each purchased step and the total material bill. These totals cover the listed steps; character EXP and unlisted costs are separate.

Character promotion0 → 6

Total for the listed steps

Credit246,400

Extinguished Core12

Glimmering Core13

Horn of Snow50

Squirming Core12

Step by step

Upgrade	Gate	Materials
0 → 1	Lv. 20	Credit × 3,200Extinguished Core × 4
1 → 2	Lv. 30 / Rank 1	Credit × 6,400Extinguished Core × 8
2 → 3	Lv. 40 / Rank 2	Credit × 12,800Glimmering Core × 5Horn of Snow × 2
3 → 4	Lv. 50 / Rank 3	Credit × 32,000Glimmering Core × 8Horn of Snow × 5
4 → 5	Lv. 60 / Rank 4	Credit × 64,000Squirming Core × 5Horn of Snow × 15
5 → 6	Lv. 70 / Rank 5	Credit × 128,000Squirming Core × 7Horn of Snow × 28

What Are You Looking At?1 → 6

Total for the listed steps

Credit192,000

Key of Inspiration2

Extinguished Core4

Key of Knowledge6

Glimmering Core5

Key of Wisdom8

Squirming Core5

Step by step

Upgrade	Gate	Materials
1 → 2		Credit × 4,000Key of Inspiration × 2Extinguished Core × 4
2 → 3		Credit × 8,000Key of Knowledge × 2Glimmering Core × 2
3 → 4		Credit × 16,000Key of Knowledge × 4Glimmering Core × 3
4 → 5		Credit × 36,000Key of Wisdom × 2Squirming Core × 2
5 → 6		Credit × 128,000Key of Wisdom × 6Squirming Core × 3

One-Time Offer1 → 10

Total for the listed steps

Credit522,000

Extinguished Core6

Key of Inspiration2

Key of Knowledge12

Glimmering Core10

Key of Wisdom23

Squirming Core5

Destroyer's Final Road3

Tracks of Destiny1

Step by step

Upgrade	Gate	Materials
1 → 2		Credit × 2,000Extinguished Core × 2
2 → 3		Credit × 4,000Key of Inspiration × 2Extinguished Core × 4
3 → 4		Credit × 8,000Key of Knowledge × 2Glimmering Core × 2
4 → 5		Credit × 16,000Key of Knowledge × 4Glimmering Core × 3
5 → 6		Credit × 24,000Key of Knowledge × 6Glimmering Core × 5
6 → 7		Credit × 36,000Key of Wisdom × 2Squirming Core × 2
7 → 8		Credit × 64,000Key of Wisdom × 4Destroyer's Final Road × 1Squirming Core × 3
8 → 9		Credit × 128,000Key of Wisdom × 6Destroyer's Final Road × 1
9 → 10		Credit × 240,000Key of Wisdom × 11Tracks of Destiny × 1Destroyer's Final Road × 1

It's Magic, I Added Some Magic1 → 10

Total for the listed steps

Credit522,000

Extinguished Core6

Key of Inspiration2

Key of Knowledge12

Glimmering Core10

Key of Wisdom23

Squirming Core5

Destroyer's Final Road3

Tracks of Destiny1

Step by step

Upgrade	Gate	Materials
1 → 2		Credit × 2,000Extinguished Core × 2
2 → 3		Credit × 4,000Key of Inspiration × 2Extinguished Core × 4
3 → 4		Credit × 8,000Key of Knowledge × 2Glimmering Core × 2
4 → 5		Credit × 16,000Key of Knowledge × 4Glimmering Core × 3
5 → 6		Credit × 24,000Key of Knowledge × 6Glimmering Core × 5
6 → 7		Credit × 36,000Key of Wisdom × 2Squirming Core × 2
7 → 8		Credit × 64,000Key of Wisdom × 4Destroyer's Final Road × 1Squirming Core × 3
8 → 9		Credit × 128,000Key of Wisdom × 6Destroyer's Final Road × 1
9 → 10		Credit × 240,000Key of Wisdom × 11Tracks of Destiny × 1Destroyer's Final Road × 1

Fine, I'll Do It Myself1 → 10

Total for the listed steps

Credit522,000

Extinguished Core6

Key of Inspiration2

Key of Knowledge12

Glimmering Core10

Key of Wisdom23

Squirming Core5

Destroyer's Final Road3

Tracks of Destiny1

Step by step

Upgrade	Gate	Materials
1 → 2		Credit × 2,000Extinguished Core × 2
2 → 3		Credit × 4,000Key of Inspiration × 2Extinguished Core × 4
3 → 4		Credit × 8,000Key of Knowledge × 2Glimmering Core × 2
4 → 5		Credit × 16,000Key of Knowledge × 4Glimmering Core × 3
5 → 6		Credit × 24,000Key of Knowledge × 6Glimmering Core × 5
6 → 7		Credit × 36,000Key of Wisdom × 2Squirming Core × 2
7 → 8		Credit × 64,000Key of Wisdom × 4Destroyer's Final Road × 1Squirming Core × 3
8 → 9		Credit × 128,000Key of Wisdom × 6Destroyer's Final Road × 1
9 → 10		Credit × 240,000Key of Wisdom × 11Tracks of Destiny × 1Destroyer's Final Road × 1

Efficiency0 → 1

Total for the listed steps

Credit4,000

Key of Inspiration2

Destroyer's Final Road1

Step by step

Upgrade	Gate	Materials
0 → 1		Credit × 4,000Key of Inspiration × 2Destroyer's Final Road × 1

Puppet0 → 1

Total for the listed steps

Credit16,000

Key of Knowledge4

Tracks of Destiny1

Destroyer's Final Road1

Step by step

Upgrade	Gate	Materials
0 → 1		Credit × 16,000Key of Knowledge × 4Tracks of Destiny × 1Destroyer's Final Road × 1

Icing0 → 1

Total for the listed steps

Credit128,000

Key of Wisdom6

Tracks of Destiny1

Destroyer's Final Road1

Step by step

Upgrade	Gate	Materials
0 → 1		Credit × 128,000Key of Wisdom × 6Tracks of Destiny × 1Destroyer's Final Road × 1

DMG Boost: Ice0 → 1

Total for the listed steps

Credit2,000

Extinguished Core2

Step by step

Upgrade	Gate	Materials
0 → 1		Credit × 2,000Extinguished Core × 2

DEF Boost0 → 1

Total for the listed steps

Credit4,000

Key of Inspiration2

Extinguished Core4

Step by step

Upgrade	Gate	Materials
0 → 1		Credit × 4,000Key of Inspiration × 2Extinguished Core × 4

DMG Boost: Ice0 → 1

Total for the listed steps

Credit8,000

Key of Knowledge2

Glimmering Core2

Step by step

Upgrade	Gate	Materials
0 → 1		Credit × 8,000Key of Knowledge × 2Glimmering Core × 2

CRIT Rate Boost0 → 1

Total for the listed steps

Credit8,000

Key of Knowledge2

Glimmering Core2

Step by step

Upgrade	Gate	Materials
0 → 1		Credit × 8,000Key of Knowledge × 2Glimmering Core × 2

DMG Boost: Ice0 → 1

Total for the listed steps

Credit16,000

Key of Knowledge4

Glimmering Core3

Step by step

Upgrade	Gate	Materials
0 → 1		Credit × 16,000Key of Knowledge × 4Glimmering Core × 3

DEF Boost0 → 1

Total for the listed steps

Credit36,000

Key of Wisdom2

Squirming Core2

Step by step

Upgrade	Gate	Materials
0 → 1		Credit × 36,000Key of Wisdom × 2Squirming Core × 2

DMG Boost: Ice0 → 1

Total for the listed steps

Credit36,000

Key of Wisdom2

Squirming Core2

Step by step

Upgrade	Gate	Materials
0 → 1		Credit × 36,000Key of Wisdom × 2Squirming Core × 2

CRIT Rate Boost0 → 1

Total for the listed steps

Credit128,000

Key of Wisdom6

Squirming Core6

Step by step

Upgrade	Gate	Materials
0 → 1		Credit × 128,000Key of Wisdom × 6Squirming Core × 6

DEF Boost0 → 1

Total for the listed steps

Credit128,000

Key of Wisdom6

Squirming Core6

Step by step

Upgrade	Gate	Materials
0 → 1		Credit × 128,000Key of Wisdom × 6Squirming Core × 6

DMG Boost: Ice0 → 1

Total for the listed steps

Credit128,000

Key of Wisdom6

Squirming Core6

Step by step

Upgrade	Gate	Materials
0 → 1		Credit × 128,000Key of Wisdom × 6Squirming Core × 6

Sources & image credit

Reference snapshot: 24 October 2026.

HoYoverse / COGNOSPHERE

REFERENCE INDEX

All character entries →Read about Honkai: Star Rail →

Honkai: Star Rail

March 7th makes the Astral Express feel like a found family

March 7th turns a crew of travelers into something warmer than a transportation service. Her bright camera, chosen name, and curiosity about a lost past make the Astral Express feel like a home being assembled one shared moment at a time.

Character analysis · 3 min

Honkai: Star Rail

Dan Heng's reserve makes room for the Trailblazer's questions

Dan Heng’s quiet presence on the Astral Express can seem like a refusal to engage. In the early journey, though, his archive work and measured responses make him a steady guide: someone who gives the Trailblazer room to ask without turning every answer into a performance.

Character analysis · 3 min

Honkai: Star Rail

Jarilo-VI builds its conflict above and below ground

Jarilo-VI gives its central divide a physical shape. Belobog’s exposed streets and the Underworld’s constrained spaces make the distance between communities tangible, so the planet’s conflict is encountered through movement and perspective as much as through explanation.

Story analysis · 3 min

Honkai: Star Rail

March 7th, Dan Heng, Natasha: three turns and one Skill Point pool

Skill Points turn a party’s separate turns into a shared planning problem. Understanding when a basic attack can carry the next moment, when a skill deserves the resource, and how ultimates fit around that choice makes ordinary battles easier to read.

Game guide · 4 min

Stats & requirements

Starting stats (first promotion tier)

Named skills

Upgrade & material costs

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Sources & image credit

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