QUICK ANSWER

Luck is a reported upgrade category and Luck Potions are confirmed in current code rewards. The exact effect on locker odds or other rolls has not been publicly verified.

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Where Luck appears

Pro Game Guides lists Luck among the upgrade paths. COMMUNITY and WEATHER are reported to award Luck Potions. That confirms Luck is an important progression term, but not its exact mathematics.

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How to judge a Luck purchase

Check the live upgrade and potion tooltips for scope, duration and cost. If you can view the locker’s displayed odds, compare them before and after a boost. Keep a screenshot because an apparent change may be easier to verify than a small run of random pulls.

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What we cannot calculate

No reliable public source used here gives a per-level probability increase, affected locker list or stacking formula. Our Locker Calculator therefore does not present an “expected value” for Luck.

FIELD NOTES / FAQ

Quick questions

Is every number on this page verified?

No. We publish only numeric values supported by the listed sources. Missing costs, odds and multipliers are marked as unverified instead of filled in.

Where should I check for changes?

Start with the official Roblox experience and compare the live in-game interface with the dated sources below.

SOURCES & VERIFICATION

Information checked September 26, 2026. Game content and code status can change.