Honkai: Star Rail

Dr. Ratio: Character promotion materials & levels

Dr. Ratio has these reference forms: Dr. Ratio (Imaginary · The Hunt). Choose a form, then current and target promotion stages to see the direct material totals and unmodified level values.

Promotion costs exclude leveling XP, trace upgrades, Light Cones and relics. Stats use promotion base + growth × (level − 1) within the selected stage’s level range. Enter the selected form’s actual current progress; the planner compares one form at a time and never adds alternative-form tables together.

Using this reference

Choose the form of Dr. Ratio before selecting promotion and level. The allowed level range follows the target promotion, so changing the target may also move the displayed level. Materials cover the promotions between current and target; the stat projection describes the selected target and level.

Compare two forms at matching settings to avoid mixing promotion gains with a form difference. The listed materials and base stats do not include the rest of a build, such as equipment or additional progression systems.

Plan your scenario

Result

HP
1047.816
Attack
776.16
Defense
460.845
Speed
103

Materials

  • Credit× 308000
  • Thief's Instinct× 15
  • Usurper's Scheme× 15
  • Suppressing Edict× 65
  • Conqueror's Will× 15

Formula

materials = sum(stages[current … target − 1]); stat = promotion base + step × (level − 1)

Dr. Ratio · Imaginary · The Hunt

Materials

  1. Stage 1

    Credit × 4000 + Thief's Instinct × 5

  2. Stage 2

    Credit × 8000 + Thief's Instinct × 10

  3. Stage 3

    Credit × 16000 + Usurper's Scheme × 6 + Suppressing Edict × 3

  4. Stage 4

    Credit × 40000 + Usurper's Scheme × 9 + Suppressing Edict × 7

  5. Stage 5

    Credit × 80000 + Conqueror's Will × 6 + Suppressing Edict × 20

  6. Stage 6

    Credit × 160000 + Conqueror's Will × 9 + Suppressing Edict × 35

Item, ability and equipment names without a local source label remain English source identifiers.

Related entries

Honkai: Star Rail →

Sources and version

Honkai: Star Rail · Source facts ↗

StarRailRes · dbe8cdfc

Snapshot reviewed · 2026-11-03

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