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Relic Odds | Honkai: Star Rail Relic Probability Calculator

Calculate the probability of obtaining, creating, and rerolling five star relics that improve your build.

Cavern / Extraction Probability Calculator

Artifact Type:

Stat Requirements

Only consider artifacts with these substats.
Required:
Optional:
Requireof
...

Roll Requirements

Control the relative value (weight) of each stat roll as well as minimum required roll values.
Use the buttons to quickly set weights, or enter custom weights (which can be more than 1). A reasonable source for more granular weights is the "substat upgrade comparisons" Δ %'s from Fribbels.
StatWorthAmount
NameRelative WeightMax CountedMin Required
CRIT Rate%
CRIT DMG%
ATK%
SPD
Break Effect%
EHR%
Effect RES%
HP%
DEF%
ATK
DEF
Current sub-stats:
Goal:
% weighted RV (Max: ?)
ℹ️ Add stat weights above to set artifact goals.

Probability Results

Advanced:
Set & type probability:
??%
Main stat probability:
??%
Sub-stat probability:
n/a
Roll probability:
n/a
Total probability:
??%
Distribution viewers: Roll Counts, Value of Rolls