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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.

Reroll Probability Calculator

Roll Requirements

Control the relative value (weight) of each stat roll as well as minimum required roll values.

Input roll value (RV) instead of stat value

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.

Stat	Worth		Amount
Name	Relative Weight	Max Counted	Min Required
Input sub-stats above first.

Probability Results