Honkai: Star Rail / Light Cone

Memories of the Past

Harmony · 4★

Honkai: Star Rail hub →

Details Upgrade costs Sources

Stats & requirements

Path: Harmony
Rarity: 4

Starting stats (first promotion tier)

HP: 43.2
ATK: 19.2
DEF: 18

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.

Light Cone promotion0 → 6

Total for the listed steps

Credit308,000

Silvermane Badge15

Harmonic Tune3

Ancestral Hymn9

Silvermane Insignia15

Stellaris Symphony12

Silvermane Medal12

Step by step

Upgrade	Gate	Materials
0 → 1	Lv. 20	Credit × 4,000Silvermane Badge × 5
1 → 2	Lv. 30 / Rank 1	Credit × 8,000Harmonic Tune × 3Silvermane Badge × 10
2 → 3	Lv. 40 / Rank 2	Credit × 16,000Ancestral Hymn × 3Silvermane Insignia × 6
3 → 4	Lv. 50 / Rank 3	Credit × 40,000Ancestral Hymn × 6Silvermane Insignia × 9
4 → 5	Lv. 60 / Rank 4	Credit × 80,000Stellaris Symphony × 4Silvermane Medal × 5
5 → 6	Lv. 70 / Rank 5	Credit × 160,000Stellaris Symphony × 8Silvermane Medal × 7

Light Cone superimposition1 → 5

Total for the listed steps

Memories of the Past · S1 sacrifice copy4

Step by step

Upgrade	Gate	Materials
1 → 2		Memories of the Past · S1 sacrifice copy × 1
2 → 3		Memories of the Past · S1 sacrifice copy × 1
3 → 4		Memories of the Past · S1 sacrifice copy × 1
4 → 5		Memories of the Past · S1 sacrifice copy × 1

Sources & image credit

Reference snapshot: 24 October 2026.

HoYoverse / COGNOSPHERE

REFERENCE INDEX

All light cone 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