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Luck

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Increases the chance of finding treasures in the Chamber of Fortune.
PerkLuck

Lucky itemsEdit

The luck perk is available through forging on rings, belts, and boots.

It can also be found on four unique items from magic chests: Prospector's Gear (armor), Royal Flush (weapon), Prospector's Touch (gauntlets), and Prospector's Treads (boots).

The Easter Festival of 2017 also came with three unique luck items: Hareband (helmet), Fluffy Fists (gauntlets), and Lucky Pouch (belt). The Lucky Pouch is the only item with two luck perks.

So far, it is possible to wear seven lucky items with a total of eight luck perks. There are no lucky capes or pauldrons yet.

The theoretical maximum for a single luck perk is 17%.

FormulasEdit

Based on official information provided by Flaregames developer Lisa in a community FAQ (source), the luck perk does not work as previously assumed. The existence of an artificial 80% cap has been denied officially.

Diminished chance to failEdit

Luck perks are not applied to the chances to successfully open a chest, but to the chances to fail by finding a skull. Therefore, luck perks decrease the chance to fail, which indirectly increases the chance of success. The chances for success are always 100% minus the chance to fail.

For example, the chance to successfully open the first chest is set at 75%. A 10% luck perk does not increase those 75% by 10%. Instead, the luck perk is applied to the 25% chance to find a skull. Therefore, it decreases those 25% by 10%, resulting in a 22.5% chance to fail (25% * (100% - 10%). With this, the chance of success rises to 77.5% (100% – 22.5%).

Perk by perk applicationEdit

Unlike other percentage-perks, luck perks are not added up. Instead, they are applied perk by perk.

For example, two perks with 12% and 8% respectively do not decrease the chance to fail by 20%. Instead, the first perk decreases the chance by 12% and the second perk decreases the resulting chance by 8%. The calculation here would be (1 – 12%) x (1 – 8%) = 88% x 92% = 80.96%. This means that the chance to fail is reduced to 80.96% of the original value.

Base chances to failEdit

For the first chest, the base chance to fail is set to 25%. For all other chests, the chance is what one would expect: the number of the remaining skull chests divided by the number of the remaining treasure chests. Therefore, unless gems are used, the base chances for failure are:

  • 25% for the first chest
  • 60% for the second chest
  • 75% for the third chest

Full formulaEdit

The full formula for the chance to fail is:

Base chance to fail x (1 - [1st Luck Perk %] / 100) x (1 - [2nd Luck Perk %]/ 100) x ... x (1 - [n-th Luck Perk %]/ 100) 

The chance for success is always:

1 – chance to fail

Example valuesEdit

Luck Perk Chance to open Chance to find Skull Average
1st 2nd 3rd 1st 2nd 3rd
PerkLuck 0% 75,0% 40,0% 25,0% SkullTreasure 25,0% SkullTreasure 60,0% SkullTreasure 75,0% ChestTreasure 7,50% - 1.1 chest
PerkLuck 10% 77,4% 45,7% 32.2% SkullTreasure 22,6% SkullTreasure 54,3% SkullTreasure 67,8% ChestTreasure 11,40% - 1.2 chest
PerkLuck 20% 79,6% 51,0% 38,8% SkullTreasure 20,4% SkullTreasure 49,0% SkullTreasure 61,2% ChestTreasure 15,70% - 1.4 chest
PerkLuck 30% 81,6% 55,8% 44,8% SkullTreasure 18,4% SkullTreasure 44,2% SkullTreasure 55,2% ChestTreasure 20,40% - 1.5 chest
PerkLuck 40% 83,4% 60,2% 50,2% SkullTreasure 16,6% SkullTreasure 39,8% SkullTreasure 49,8% ChestTreasure 25,20% - 1.6 chest
PerkLuck 50% 85,1% 64,2% 55,2% SkullTreasure 14,9% SkullTreasure 35,8% SkullTreasure 44,8% ChestTreasure 30,20% - 1.7 chest
PerkLuck 60% 86,6% 67,8% 59,8% SkullTreasure 13,4% SkullTreasure 32,2% SkullTreasure 40,2% ChestTreasure 35,10% - 1.8 chest
PerkLuck 70% 88,0% 71,2% 63,9% SkullTreasure 12,0% SkullTreasure 28,8% SkullTreasure 36,1% ChestTreasure 40,00% - 1.9 chest
PerkLuck 80% 89,2% 74,2% 67,7% SkullTreasure 10,8% SkullTreasure 25,8% SkullTreasure 32,3% ChestTreasure 44,80% - 2,0 chests
PerkLuck 100% 91,4% 79,4% 74,2% SkullTreasure 8,6% SkullTreasure 20,6% SkullTreasure 25,8% ChestTreasure 53,90% - 2.2 chests
PerkLuck 120% 93,2% 83,7% 79,6% SkullTreasure 6,8% SkullTreasure 16,3% SkullTreasure 20,4% ChestTreasure 62,00% - 2.3 chests

NOTE: The results in percentage (%) of each chance to find a reward in 1st, 2nd and 3rd chests are calculated having an average on each item of the total Luck Perk (left column of the table).

Luck CalculatorEdit

To calculate the impact of luck perks, use the calculator below.

InputEdit

Fill in your perk values here. The results will be updated automatically.

 

Your luckEdit

With these perks, your chance to fail is reduced by 0%.

Your chances to open a chest:

1st chest 2nd chest 3rd chest
75% 40% 25%


Your chances to end up with a certain number of chests:

0 chests 1 chest 2 chests 3 chests
25% 45% 22.5% 7.5%


On average, you can expect to open 1.13 chests.

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