⚠️ Important Limit: Maximum probability cannot exceed 50%
Source: Equipment, potions and regular buffs
Example: Volcanic Device +290%, input 290
Source: Heaven Potion and special items
Note: Not affected by bonus multiplier
Source: 2x reward every 11 attempts mechanism
Default: 2x, only active during bonus rounds
Source: VIP membership bonus
Common value: 1.2x, affects all luck bonuses
Determines whether to apply bonus multiplier
Suggestion: Enable when calculating bonus rounds
Probability of getting the aura in each attempt
Display: Percentage + "1 in X" format
Probability of getting at least one in specified attempts
Formula: 1 - (1 - single probability)^attempts
Number of attempts needed to reach target probability
Used for resource planning
Shows base rarity and biome multipliers
Helps understand aura acquisition difficulty
50% Probability Cap: Game mechanism limits any aura's single attempt probability to 50%
Special Buffs Independence: Special buffs are not affected by bonus multiplier but are affected by VIP multiplier
Biome Multipliers: Some auras have additional rarity multipliers in specific biomes
Official Mechanics: This calculator is based on official game mechanics, more accurate than traditional probability calculations
