Luck influences everything in the game that is chance related, from evading attacks and afflictions, to scoring critical hits, determining the final damage between a "min-max" range, performing successful stealth or detection actions, haggling with NPCs, and so on. Every time a chance is "rolled", that chance is biased by the creature’s luck, which can either be positive (better chances), or negative (worse chances), and ranges between -1000 and +1000. Luck is determined by a creature’s Charisma .
Mechanics
Luck
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250
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\color[RGB]{180,160,140} \text{Luck} = [-250 + Base + (CHA * (25 + Bonus))]
Base = 0 Human players, but can vary depending on creature type.
Bonus Charisma :
Charisma
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20
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Bonus
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0
\color[RGB]{180,160,140} \text{Charisma} < 20 \to \text{Bonus} = 0
Charisma
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20
→
Bonus
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10
\color[RGB]{180,160,140} \text{Charisma} >= 20 \to \text{Bonus} = 10
Assuming a random roll with a certain Chance to succeed (e.g. 25%, represented as 0.25), Biased Chance is the actual success chance altered by the player's Luck.
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\color[RGB]{180,160,140} \triangle = Chance - Chance^{(1 + \tfrac{Luck}{1000})}
Biased Chance
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\color[RGB]{180,160,140} \text{Biased Chance} = Chance + \triangle
Items with Luck Item Name Slot Luck Luck from Recipes Amethyst Necklace Neck ---- +90 if made with Gold Ingot , Flawless Amethyst , Hepatizon Ingot and Flawless Amethyst Amethyst Ring Ring ---- +90 if made with Gold Ingot , Flawless Amethyst , Hepatizon Ingot and Flawless Amethyst Assassin Boots Feet ---- +30 if made with Rabbit Wool Cloth , Shadow Essence and Death Crystal Assassin Clothes Chest ---- +60 if made with Rabbit Wool Cloth , Shadow Essence and Death Crystal Assassin Gloves Hands ---- +30 if made with Rabbit Wool Cloth , Shadow Essence and Death Crystal Assassin Hood Head ---- +30 if made with Rabbit Wool Cloth , Shadow Essence and Death Crystal Battle Axe 1H ---- +100 if made with Oricalcum Ingot and Wooden Handle Club 1H ---- +100 if made with Chestnut Plank Commoner Boots Feet ---- +30 if made with Rabbit Wool Cloth Commoner Bracers Hands ---- +30 if made with Rabbit Wool Cloth Commoner Clothes Chest ---- +60 if made with Rabbit Wool Cloth Commoner Hood Head ---- +30 if made with Rabbit Wool Cloth Dagger 1H ---- +100 if made with Oricalcum Ingot and Light Animal Leather Diamond Necklace Neck ---- +90 if made with Gold Ingot , Flawless Diamond , Hepatizon Ingot and Flawless Diamond Diamond Ring Ring ---- +90 if made with Gold Ingot , Flawless Diamond , Hepatizon Ingot and Flawless Diamond Emerald Necklace Neck ---- +90 if made with Gold Ingot , Flawless Emerald , Hepatizon Ingot and Flawless Emerald Emerald Ring Ring ---- +90 if made with Gold Ingot , Flawless Emerald , Hepatizon Ingot and Flawless Emerald Energy Staff 2H ---- +100 if made with Chestnut Plank and Flawless Diamond Fire Staff 2H ---- +100 if made with Chestnut Plank and Flawless Ruby Great Axe 2H ---- +100 if made with Oricalcum Ingot and Light Animal Leather Great Sword 2H ---- +100 if made with Oricalcum Ingot and Light Animal Leather Halberd 2H ---- +100 if made with Oricalcum Ingot and Wooden Pole Handaxe 1H ---- +100 if made with Oricalcum Ingot and Wooden Handle Ice Staff 2H ---- +100 if made with Chestnut Plank and Flawless Sapphire Long Sword 1H ---- +100 if made with Oricalcum Ingot and Light Animal Leather Longbow 2H ---- +100 if made with Rope and Chestnut Plank Mace 1H ---- +100 if made with Oricalcum Ingot Morning Star 2H ---- +100 if made with Oricalcum Ingot Quarterstaff 2H ---- +100 if made with Chestnut Plank Rabbit Paw Amulet Neck +150 ---- Rapier 1H ---- +100 if made with Oricalcum Ingot and Light Animal Leather Ruby Necklace Neck ---- +90 if made with Gold Ingot , Flawless Ruby , Hepatizon Ingot and Flawless Ruby Ruby Ring Ring ---- +90 if made with Gold Ingot , Flawless Ruby , Hepatizon Ingot and Flawless Ruby Sapphire Necklace Neck ---- +90 if made with Gold Ingot , Flawless Sapphire , Hepatizon Ingot and Flawless Sapphire Sapphire Ring Ring ---- +90 if made with Gold Ingot , Flawless Sapphire , Hepatizon Ingot and Flawless Sapphire Scholar Boots Feet ---- +30 if made with Rabbit Wool Cloth , Crystallized Magic and Primordial Dust Scholar Clothes Chest ---- +60 if made with Rabbit Wool Cloth , Primordial Dust and Crystallized Magic Scholar Gloves Hands ---- +30 if made with Rabbit Wool Cloth , Crystallized Magic and Primordial Dust Scholar Hood Head ---- +30 if made with Rabbit Wool Cloth , Crystallized Magic and Primordial Dust Scimitar 1H ---- +100 if made with Oricalcum Ingot and Light Animal Leather Shock Staff 2H ---- +100 if made with Chestnut Plank and Flawless Topaz Short Sword 1H ---- +100 if made with Oricalcum Ingot and Light Animal Leather Shortbow 2H ---- +100 if made with Rope and Chestnut Plank Spear 2H ---- +100 if made with Oricalcum Ingot and Wooden Pole Topaz Necklace Neck ---- +90 if made with Gold Ingot , Flawless Topaz , Hepatizon Ingot and Flawless Topaz Topaz Ring Ring ---- +90 if made with Gold Ingot , Flawless Topaz , Hepatizon Ingot and Flawless Topaz War Hammer 2H ---- +100 if made with Oricalcum Ingot and Light Animal Leather
![\color [rgb]{0.7058823529411765,0.6274509803921569,0.5490196078431373}{\text{Luck}}=[-250+Base+(CHA*(25+Bonus))]](https://services.fandom.com/mathoid-facade/v1/media/math/render/svg/0df3767424e621233e3f7c2dd6fb9a119db5140b)
![\color [rgb]{0.7058823529411765,0.6274509803921569,0.5490196078431373}{\text{Charisma}}<20\to {\text{Bonus}}=0](https://services.fandom.com/mathoid-facade/v1/media/math/render/svg/abe7fcb66892c77550cd5fbe0af5073389443d88)
![\color [rgb]{0.7058823529411765,0.6274509803921569,0.5490196078431373}{\text{Charisma}}>=20\to {\text{Bonus}}=10](https://services.fandom.com/mathoid-facade/v1/media/math/render/svg/c74f34d8db33e4c960a1c28b115b454da88165b1)
![\color [rgb]{0.7058823529411765,0.6274509803921569,0.5490196078431373}\triangle =Chance-Chance^{(1+{\tfrac {Luck}{1000}})}](https://services.fandom.com/mathoid-facade/v1/media/math/render/svg/14eaeb0eb54747b67ed880e097f2f0c8ea14a702)
![\color [rgb]{0.7058823529411765,0.6274509803921569,0.5490196078431373}{\text{Biased Chance}}=Chance+\triangle](https://services.fandom.com/mathoid-facade/v1/media/math/render/svg/0ab5637107100e17a2cbf0a0f1eeb36b8cdbeae6)