Normal vs boosted scenarios
Treasure Hour Odds Calculator
Compare the same number of chest openings at the normal rate and at a custom temporary multiplier.
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A multiplier changes the rate, not the rules
A boost multiplier multiplies the probability for each eligible attempt. It does not multiply your final percentage directly, and it does not guarantee a reward. The difference becomes more visible as attempts accumulate, but each individual opening remains an independent roll.
Only count eligible attempts
Use the number of chests opened during the relevant event window if a boost applies only at specific times. Chests outside that window should be modeled separately at the normal rate. If the game distinguishes chest types or rewards, use the rate that applies to the exact reward you are estimating.
Rate note: the default values are editable planning inputs. Check current in-game messaging and the official season announcement because schedules and boosts can change.