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Luka
Honkai: Star Rail / Character

Luka

Physical · Nihility · 4★

Honkai: Star Rail hub →

Stats & requirements

Element
Physical
Path
Nihility
Rarity
4

Starting stats (first promotion tier)

HP
124.8
ATK
79.2
DEF
66
SPD
103
TAUNT
100
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.

Direct PunchBasic ATK / Single Target
Level 1 coefficient 1
0.5
Lacerating FistSkill / Single Target
Level 1 coefficient 1
0.6
Level 1 coefficient 2
1
Level 1 coefficient 3
0.24
Level 1 coefficient 4
1.3
Level 1 coefficient 5
3
Coup de GrâceUltimate / Single Target
Level 1 coefficient 1
1.98
Level 1 coefficient 2
1
Level 1 coefficient 3
0.12
Level 1 coefficient 4
3
Level 1 coefficient 5
2
Flying SparksTalent / Enhance
Level 1 coefficient 1
1
Level 1 coefficient 2
0.68
Attack

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

AnticipatorTechnique
Level 1 coefficient 1
0.5
Level 1 coefficient 2
1
Sky-Shatter FistBasic ATK / Single Target
Level 1 coefficient 1
0.1
Level 1 coefficient 2
0.4

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
Ancient Part12
Ancient Spindle13
Broken Teeth of Iron Wolf50
Ancient Engine12

Step by step

UpgradeGateMaterials
0 → 1Lv. 20Credit × 3,200Ancient Part × 4
1 → 2Lv. 30 / Rank 1Credit × 6,400Ancient Part × 8
2 → 3Lv. 40 / Rank 2Credit × 12,800Ancient Spindle × 5Broken Teeth of Iron Wolf × 2
3 → 4Lv. 50 / Rank 3Credit × 32,000Ancient Spindle × 8Broken Teeth of Iron Wolf × 5
4 → 5Lv. 60 / Rank 4Credit × 64,000Ancient Engine × 5Broken Teeth of Iron Wolf × 15
5 → 6Lv. 70 / Rank 5Credit × 128,000Ancient Engine × 7Broken Teeth of Iron Wolf × 28
Direct Punch1 → 6

Total for the listed steps

Credit192,000
Obsidian of Dread2
Ancient Part4
Obsidian of Desolation6
Ancient Spindle5
Obsidian of Obsession8
Ancient Engine5

Step by step

UpgradeGateMaterials
1 → 2Credit × 4,000Obsidian of Dread × 2Ancient Part × 4
2 → 3Credit × 8,000Obsidian of Desolation × 2Ancient Spindle × 2
3 → 4Credit × 16,000Obsidian of Desolation × 4Ancient Spindle × 3
4 → 5Credit × 36,000Obsidian of Obsession × 2Ancient Engine × 2
5 → 6Credit × 128,000Obsidian of Obsession × 6Ancient Engine × 3
Lacerating Fist1 → 10

Total for the listed steps

Credit522,000
Ancient Part6
Obsidian of Dread2
Obsidian of Desolation12
Ancient Spindle10
Obsidian of Obsession23
Ancient Engine5
Regret of Infinite Ochema3
Tracks of Destiny1

Step by step

UpgradeGateMaterials
1 → 2Credit × 2,000Ancient Part × 2
2 → 3Credit × 4,000Obsidian of Dread × 2Ancient Part × 4
3 → 4Credit × 8,000Obsidian of Desolation × 2Ancient Spindle × 2
4 → 5Credit × 16,000Obsidian of Desolation × 4Ancient Spindle × 3
5 → 6Credit × 24,000Obsidian of Desolation × 6Ancient Spindle × 5
6 → 7Credit × 36,000Obsidian of Obsession × 2Ancient Engine × 2
7 → 8Credit × 64,000Obsidian of Obsession × 4Regret of Infinite Ochema × 1Ancient Engine × 3
8 → 9Credit × 128,000Obsidian of Obsession × 6Regret of Infinite Ochema × 1
9 → 10Credit × 240,000Obsidian of Obsession × 11Tracks of Destiny × 1Regret of Infinite Ochema × 1
Coup de Grâce1 → 10

Total for the listed steps

Credit522,000
Ancient Part6
Obsidian of Dread2
Obsidian of Desolation12
Ancient Spindle10
Obsidian of Obsession23
Ancient Engine5
Regret of Infinite Ochema3
Tracks of Destiny1

Step by step

UpgradeGateMaterials
1 → 2Credit × 2,000Ancient Part × 2
2 → 3Credit × 4,000Obsidian of Dread × 2Ancient Part × 4
3 → 4Credit × 8,000Obsidian of Desolation × 2Ancient Spindle × 2
4 → 5Credit × 16,000Obsidian of Desolation × 4Ancient Spindle × 3
5 → 6Credit × 24,000Obsidian of Desolation × 6Ancient Spindle × 5
6 → 7Credit × 36,000Obsidian of Obsession × 2Ancient Engine × 2
7 → 8Credit × 64,000Obsidian of Obsession × 4Regret of Infinite Ochema × 1Ancient Engine × 3
8 → 9Credit × 128,000Obsidian of Obsession × 6Regret of Infinite Ochema × 1
9 → 10Credit × 240,000Obsidian of Obsession × 11Tracks of Destiny × 1Regret of Infinite Ochema × 1
Flying Sparks1 → 10

Total for the listed steps

Credit522,000
Ancient Part6
Obsidian of Dread2
Obsidian of Desolation12
Ancient Spindle10
Obsidian of Obsession23
Ancient Engine5
Regret of Infinite Ochema3
Tracks of Destiny1

Step by step

UpgradeGateMaterials
1 → 2Credit × 2,000Ancient Part × 2
2 → 3Credit × 4,000Obsidian of Dread × 2Ancient Part × 4
3 → 4Credit × 8,000Obsidian of Desolation × 2Ancient Spindle × 2
4 → 5Credit × 16,000Obsidian of Desolation × 4Ancient Spindle × 3
5 → 6Credit × 24,000Obsidian of Desolation × 6Ancient Spindle × 5
6 → 7Credit × 36,000Obsidian of Obsession × 2Ancient Engine × 2
7 → 8Credit × 64,000Obsidian of Obsession × 4Regret of Infinite Ochema × 1Ancient Engine × 3
8 → 9Credit × 128,000Obsidian of Obsession × 6Regret of Infinite Ochema × 1
9 → 10Credit × 240,000Obsidian of Obsession × 11Tracks of Destiny × 1Regret of Infinite Ochema × 1
Kinetic Overload0 → 1

Total for the listed steps

Credit4,000
Obsidian of Dread2
Regret of Infinite Ochema1

Step by step

UpgradeGateMaterials
0 → 1Credit × 4,000Obsidian of Dread × 2Regret of Infinite Ochema × 1
Cycle Braking0 → 1

Total for the listed steps

Credit16,000
Obsidian of Desolation4
Tracks of Destiny1
Regret of Infinite Ochema1

Step by step

UpgradeGateMaterials
0 → 1Credit × 16,000Obsidian of Desolation × 4Tracks of Destiny × 1Regret of Infinite Ochema × 1
Crush Fighting Will0 → 1

Total for the listed steps

Credit128,000
Obsidian of Obsession6
Tracks of Destiny1
Regret of Infinite Ochema1

Step by step

UpgradeGateMaterials
0 → 1Credit × 128,000Obsidian of Obsession × 6Tracks of Destiny × 1Regret of Infinite Ochema × 1
ATK Boost0 → 1

Total for the listed steps

Credit2,000
Ancient Part2

Step by step

UpgradeGateMaterials
0 → 1Credit × 2,000Ancient Part × 2
Effect Hit Rate Boost0 → 1

Total for the listed steps

Credit4,000
Obsidian of Dread2
Ancient Part4

Step by step

UpgradeGateMaterials
0 → 1Credit × 4,000Obsidian of Dread × 2Ancient Part × 4
ATK Boost0 → 1

Total for the listed steps

Credit8,000
Obsidian of Desolation2
Ancient Spindle2

Step by step

UpgradeGateMaterials
0 → 1Credit × 8,000Obsidian of Desolation × 2Ancient Spindle × 2
DEF Boost0 → 1

Total for the listed steps

Credit8,000
Obsidian of Desolation2
Ancient Spindle2

Step by step

UpgradeGateMaterials
0 → 1Credit × 8,000Obsidian of Desolation × 2Ancient Spindle × 2
ATK Boost0 → 1

Total for the listed steps

Credit16,000
Obsidian of Desolation4
Ancient Spindle3

Step by step

UpgradeGateMaterials
0 → 1Credit × 16,000Obsidian of Desolation × 4Ancient Spindle × 3
Effect Hit Rate Boost0 → 1

Total for the listed steps

Credit36,000
Obsidian of Obsession2
Ancient Engine2

Step by step

UpgradeGateMaterials
0 → 1Credit × 36,000Obsidian of Obsession × 2Ancient Engine × 2
ATK Boost0 → 1

Total for the listed steps

Credit36,000
Obsidian of Obsession2
Ancient Engine2

Step by step

UpgradeGateMaterials
0 → 1Credit × 36,000Obsidian of Obsession × 2Ancient Engine × 2
DEF Boost0 → 1

Total for the listed steps

Credit128,000
Obsidian of Obsession6
Ancient Engine6

Step by step

UpgradeGateMaterials
0 → 1Credit × 128,000Obsidian of Obsession × 6Ancient Engine × 6
Effect Hit Rate Boost0 → 1

Total for the listed steps

Credit128,000
Obsidian of Obsession6
Ancient Engine6

Step by step

UpgradeGateMaterials
0 → 1Credit × 128,000Obsidian of Obsession × 6Ancient Engine × 6
ATK Boost0 → 1

Total for the listed steps

Credit128,000
Obsidian of Obsession6
Ancient Engine6

Step by step

UpgradeGateMaterials
0 → 1Credit × 128,000Obsidian of Obsession × 6Ancient Engine × 6

Sources & image credit

Reference snapshot: 24 October 2026.

HoYoverse / COGNOSPHERE