Preservation Chance

Preservation Chance is a modifier which allows resources to be preserved when creating items, allowing for the creation of items at no cost to the player. When resource preservation triggers, the player will receive a notification stating "You managed to preserve your resources".

The chance to preserve resources only applies when creating items within a skill, it does not affect the consumption of potion doses,

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Summoning

tablets, or prayer points. Rune Preservation and Ammo Preservation are also separate modifiers, which allow for the preservation of runes and

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Ranged

ammunition respectively.

The preservation chance for all skills is capped at 80%, unless a modifier which increases the cap applies.

Sources

Below is a list of many things other than

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Mastery

bonuses and

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Summoning

synergies which provide a chance to preserve resources. Another notable mention is that the Crown of Rhaelyx gains 15% preservation chance (for a total of 25%) when the player has at least one Charge Stone of Rhaelyx within their Bank.

Source	Type	DLC	Preservation Bonuses	Other Modifiers
Error creating thumbnail: File missing Tier 2 - 1	Agility Obstacle 2	Error creating thumbnail: File missing	-10% Chance to Preserve Resources in Skills	+10% Accuracy Rating when fighting against Abyssal Damage +3% chance to double loot in Combat when fighting against Abyssal Damage +8% Maximum Hit when fighting against Abyssal Damage
Error creating thumbnail: File missing Pipe Balance	Agility Obstacle 3		+3% Chance to Preserve Resources in Skills	+10 Mining Node HP +3% chance to deal no damage to Essence Nodes in Mining +3% chance to deal no damage to Ore Nodes in Mining
Error creating thumbnail: File missing Coal Stones	Agility Obstacle 4		+3% Chance to Preserve Resources in Skills	-4% Skill XP for all Skills +20% GP gained from Thieving +10% Food Healing Value
Error creating thumbnail: File missing Mud Crawl	Agility Obstacle 4		+3% Chance to Preserve Resources in Herblore	+2% Herblore Mastery XP +2% Herblore Skill XP -10% base primary resource quantity gained in Farming
Error creating thumbnail: File missing Tier 4 - 3	Agility Obstacle 4	Error creating thumbnail: File missing	-10% Chance to Preserve Resources in Skills	+10% flat Abyssal Slayer Region effect negation +5% Damage to Slayer Tasks when fighting against Abyssal Damage +10% Global Abyssal Slayer Coins (except Item Sales) +5% Damage to Monsters in Abyssal Slayer Regions
Error creating thumbnail: File missing Rock Climb	Agility Obstacle 5		-10% Chance to Preserve Resources in Skills	+5% Chance to Double Items in Fishing +5% Chance to Double Items in Woodcutting +5% Chance to Double Items in Mining +5% Chance to Double Items in Thieving
Error creating thumbnail: File missing Tree Climb	Agility Obstacle 5		-10% Chance to Preserve Resources in Skills	+3% Mastery XP in all Skills +4% Skill XP for all Skills -10% Rune Preservation -10% Ammo Preservation
Error creating thumbnail: File missing Tree Hop	Agility Obstacle 6		+5% Chance to Preserve Resources in Skills	+5% Rune Preservation +5% Ammo Preservation
Error creating thumbnail: File missing Boulder Trap	Agility Obstacle 7		-20% Chance to Preserve Resources in Skills
Error creating thumbnail: File missing Runic Trail	Agility Obstacle 8		+5% Chance to Preserve Resources in Summoning -16% Chance to Preserve Resources in Herblore	+15% Chance to preserve Summoning Charges +3 base primary resource quantity gained in Summoning
Error creating thumbnail: File missing Sweltering Pools	Agility Obstacle 8		-20% Chance to Preserve Resources in Skills	+3% Cooking Mastery XP +10% Auto Eat Efficiency -3% Cooking Interval +10% Food Healing Value
Error creating thumbnail: File missing Ice Jump	Agility Obstacle 9		+10% Chance to Preserve Resources in Skills	+20 Maximum Hitpoints +5% Food Healing Value +5% Chance to Double Items Globally +10 Mining Node HP
Error creating thumbnail: File missing Lava Waterfall Dodge	Agility Obstacle 10		+10% Chance to Preserve Resources in Skills	+10% Chance To Preserve Prayer Points +5% Ammo Preservation +10% Rune Preservation
Error creating thumbnail: File missing Pit Maze	Agility Obstacle 11		-20% Chance to Preserve Resources in Skills	+3% Mastery XP for Melvor Realm only +15 Mining Node HP +2% chance to receive a Quality Superior Gem while Mining Gem Veins or Meteorite Ore
Error creating thumbnail: File missing Cave Waters	Agility Obstacle 12		-10% Chance to Preserve Resources in Herblore	-6% Mastery XP for Melvor Realm only +15% Chance To Preserve Potion Charge
Error creating thumbnail: File missing Monkey Trail	Agility Obstacle 12		-10% Chance to Preserve Resources in Skills	-5% Cooking Interval +10% Food Healing Value -6% Agility Skill XP +15% base primary resource quantity gained in Farming for Melvor Realm only
Error creating thumbnail: File missing Cave Trap	Agility Obstacle 13		-10% Chance to Preserve Resources in Skills	-50 Maximum Hitpoints +5% Chance To Preserve Potion Charge +5% Chance to preserve Summoning Charges
Error creating thumbnail: File missing Mountain Trail	Agility Obstacle 15		-20% Chance to Preserve Resources in Skills	-0.2s Smithing Interval -0.2s Fletching Interval -0.2s Crafting Interval +30% Chance to gain +1 additional resource in Smithing (Cannot be doubled) +30% Chance to gain +1 additional resource in Fletching (Cannot be doubled) +30% Chance to gain +1 additional resource in Crafting (Cannot be doubled) +3% chance to receive a Quality Superior Gem while Mining Gem Veins or Meteorite Ore
Error creating thumbnail: File missing Pillar of Skilling	Agility Pillar		+3% Chance to Preserve Resources in Skills	+2% Mastery XP in all Skills +3% Chance to Double Items Globally +10% base primary resource quantity gained in Farming for Melvor Realm only
Error creating thumbnail: File missing Abyssal Bear	Item (Summon1, Summon2)	Error creating thumbnail: File missing	+5% Chance to Preserve Resources in Herblore
Error creating thumbnail: File missing Abyssal Cooking Scroll	Item (Consumable)	Error creating thumbnail: File missing	-10% Chance to Preserve Resources in Cooking	+1 additional quantity of primary resource gained in Cooking for Abyssal Realm only (cannot be doubled)
Error creating thumbnail: File missing Abyssal Fletching Scroll	Item (Consumable)	Error creating thumbnail: File missing	-10% Chance to Preserve Resources in Fletching	+1 additional quantity of primary resource gained in Fletching for Abyssal Arrows nodes (Cannot be doubled) +1 additional quantity of primary resource gained in Fletching for Abyssal Bolts nodes (Cannot be doubled) +1 additional quantity of primary resource gained in Fletching for Abyssal Javelins nodes (Cannot be doubled)
Error creating thumbnail: File missing Abyssal Hourglass (Inverted)	Item (Weapon)	Error creating thumbnail: File missing	+10% Chance to Preserve Resources in Skills	+6% Mastery XP for Abyssal Realm only -1 additional quantity of primary resource gained globally (Cannot be doubled) -10% cost to produce Abyssal Realm Items in all Artisan Skills -6% Global Abyssal XP
Error creating thumbnail: File missing Abyssal Hourglass (Upright)	Item (Weapon)	Error creating thumbnail: File missing	-10% Chance to Preserve Resources in Skills	-6% Mastery XP for Abyssal Realm only +1 additional quantity of primary resource gained globally (Cannot be doubled) +10% cost to produce Abyssal Realm Items in all Artisan Skills +6% Global Abyssal XP
Error creating thumbnail: File missing Abyssal Pig	Item (Summon1, Summon2)	Error creating thumbnail: File missing	+10% Chance to Preserve Resources in Cooking
Error creating thumbnail: File missing Abyssal Salamander	Item (Summon1, Summon2)	Error creating thumbnail: File missing	+5% Chance to Preserve Resources in Smithing
Error creating thumbnail: File missing Abyssal Smithing Scroll	Item (Consumable)	Error creating thumbnail: File missing	-10% Chance to Preserve Resources in Smithing	+1 additional quantity of primary resource gained in Smithing for Abyssal Bars nodes (Cannot be doubled)
Error creating thumbnail: File missing Abyssal Summoning Scroll	Item (Consumable)	Error creating thumbnail: File missing	-10% Chance to Preserve Resources in Summoning	+5 additional quantity of primary resource gained in Summoning for Abyssal Realm only (cannot be doubled)
Error creating thumbnail: File missing Bear	Item (Summon1, Summon2)		+5% Chance to Preserve Resources in Herblore
Candelabra (Lit)	Item (Consumable)		+3% Chance to Preserve Resources in Skills	-3% Interval for all Non-Combat Skills +4% Non-Combat Skill XP +4% Mastery XP for Melvor Realm only
Cape of Completion	Item (Cape)		+20% Chance to Preserve Resources in Summoning	+5 additional quantity of Runes gained in Runecrafting (Cannot be doubled) +10 Flat HP Regen Bypass Slayer Area item requirements for areas that require less than level 100 Slayer -50% Prayer Point Cost for Prayers -15% Township Building Cost (Capped at -80%) +15% Chance to Double Items in Runecrafting -20% Melvor Realm Agility Obstacle Build Costs +5% Damage To Slayer Tasks +50% Ammo Preservation +1 base quantity when gaining Stardust from Astrology +1 base quantity when gaining Golden Stardust from Astrology +10 base primary resource quantity gained in Summoning -0.5s Thieving Interval -0.5s Crafting Interval +2% Global Perfect Cook chance +25% Mastery Pool XP Cap +100% chance to successfully Cook an item Rune providing items provide 2x as many runes +10% Chance to preserve Summoning Charges +100% GP gained from Thieving +10% GP gained from Agility x2 Items received from Fishing x2 Items received from Fletching x2 Items received from Herblore -15% Woodcutting Interval -15% Cooking Interval +25% Flat Slayer Area Effect Negation +1 Coal Ore per Ore Mined. (Item doubling does not apply) -50% Coal Costs for Smithing +150 Stealth while Thieving +100% chance to gain Coal Ore in Firemaking +100% chance to gain Ash in Firemaking +5% Skill XP for all Skills +25% base primary resource quantity gained in Farming
Cape of Completion (Atlas of Discovery)	Item (Cape)		+20% Chance to Preserve Resources in Cartography	+3 levels of the Brush Tool in Archaeology +3 levels of the Trowel Tool in Archaeology +3 levels of the Shovel Tool in Archaeology -30% Cartography survey interval +15% chance to preserve dig site map excavation actions -50% Cartography map upgrade interval -20 dig site map refinement cost +1 base primary resource quantity gained in Archaeology +3 levels of the Sieve Tool in Archaeology
Cartography Skillcape	Item (Cape)		+10% Chance to Preserve Resources in Cartography	-20% Cartography map upgrade interval -10 dig site map refinement cost
Chefs Bag	Item (Consumable)		+10% Chance to Preserve Resources in Cooking	+20% Chance to Double Items in Cooking
Clown Hat	Item (Helmet)		-10% Chance to Preserve Resources in Skills	+10% Mastery XP in all Skills -5% Skill XP for all Skills
Crown of Rhaelyx	Item (Helmet)		+10% Chance to Preserve Resources in Skills
Error creating thumbnail: File missing Magic Enhancement (Superior)	Item (Enhancement1, Enhancement2, Enhancement3)		+2% Chance to Preserve Resources in Skills	+6% Magic Max Hit +4% Rune Preservation
Error creating thumbnail: File missing Magic Enhancement 3	Item (Enhancement3)		+1% Chance to Preserve Resources in Skills
Error creating thumbnail: File missing Magic Enhancement 3 (Augmented)	Item (Enhancement3)		+2% Chance to Preserve Resources in Skills
Maximum Skillcape	Item (Cape)		+20% Chance to Preserve Resources in Summoning	+5 additional quantity of Runes gained in Runecrafting (Cannot be doubled) +10 Flat HP Regen Bypass Slayer Area item requirements for areas that require less than level 100 Slayer -50% Prayer Point Cost for Prayers -15% Township Building Cost (Capped at -80%) +15% Chance to Double Items in Runecrafting -20% Melvor Realm Agility Obstacle Build Costs +50% Ammo Preservation +1 base quantity when gaining Stardust from Astrology +1 base quantity when gaining Golden Stardust from Astrology +10 base primary resource quantity gained in Summoning -0.5s Thieving Interval -0.5s Crafting Interval +2% Global Perfect Cook chance +1 Coal Ore per Ore Mined. (Item doubling does not apply) +100% chance to successfully Cook an item +5% Damage To Slayer Tasks +10% Chance to preserve Summoning Charges +100% GP gained from Thieving +10% GP gained from Agility Rune providing items provide 2x as many runes -15% Woodcutting Interval -15% Cooking Interval x2 Items received from Fishing x2 Items received from Fletching x2 Items received from Herblore +25% Flat Slayer Area Effect Negation -50% Coal Costs for Smithing +150 Stealth while Thieving +100% chance to gain Coal Ore in Firemaking +100% chance to gain Ash in Firemaking +5% Skill XP for all Skills +25% base primary resource quantity gained in Farming
Peasant Shirt	Item (Platebody)		+8% Chance to Preserve Resources in Skills	-30% Global GP (except Item Sales)
Error creating thumbnail: File missing Pig	Item (Summon1, Summon2)		+10% Chance to Preserve Resources in Cooking
Ring of Wealth	Item (Ring, Passive)		-3% Chance to Preserve Resources in Skills	+7% Chance to Double Items Globally
Error creating thumbnail: File missing Salamander	Item (Summon1, Summon2)		+5% Chance to Preserve Resources in Smithing
Sturdy Fancy Quill	Item (Weapon)		+20% Chance to Preserve Resources in Cartography	-5% Cartography Interval +8% Cartography Skill XP +20% Chance to Double Items in Cartography
Summoning Scrolls	Item (Consumable)		+10% Chance to Preserve Resources in Summoning	+10% Chance to preserve Summoning Charges +15 base primary resource quantity gained in Summoning
Summoning Skillcape	Item (Cape)		+20% Chance to Preserve Resources in Summoning	+10% Chance to preserve Summoning Charges +10 base primary resource quantity gained in Summoning
Superior Cape of Completion	Item (Cape)		+25% Chance to Preserve Resources in Summoning	+8 additional quantity of Runes gained in Runecrafting (Cannot be doubled) +15 Flat HP Regen +5% of Maximum Hit added to Minimum Hit -75% Prayer Point Cost for Prayers -20% Township Building Cost (Capped at -80%) -30% Melvor Realm Agility Obstacle Build Costs +5% Melee Strength Bonus from Equipment +2 base quantity when gaining Stardust from Astrology +2 base quantity when gaining Golden Stardust from Astrology +1 base quantity when gaining Bird Nest from Woodcutting +20% chance to avoid the stun interval and damage in Thieving when failing a pickpocket attempt for {realmName} only +4% Global Perfect Cook chance +2 Coal Ore per Ore Mined. (Item doubling does not apply) +100% chance to successfully Cook an item +5% Ranged Strength Bonus from Equipment +10% Global Slayer Coins (except Item Sales) +150% GP gained from Thieving +20% GP gained from Agility +100% Chance to gain +1 additional resource in Fishing (Cannot be doubled) +100% Chance to gain +1 additional resource in Fletching (Cannot be doubled) +15% Chance to gain +1 additional resource in Crafting (Cannot be doubled) +100% Chance to gain +1 additional resource in Herblore (Cannot be doubled) +50% chance to gain +1 additional resource in Smithing for Bars nodes (Cannot be doubled) +270 Stealth while Thieving +100% chance to gain Charcoal in Firemaking +100% chance to gain Coal Ore in Firemaking +100% chance to gain Ash in Firemaking +10% Summoning Max Hit Rune providing items provide 4x as many runes +40% base primary resource quantity gained in Farming +5% Lifesteal +5% Magic Damage Bonus from Equipment +1% chance to gain 1 Lost Chest from Fishing for Melvor Realm only (Cannot be doubled) +75% Ammo Preservation +8% Damage To Slayer Tasks -75% Coal Costs for Smithing -0.8s Thieving Interval -0.8s Crafting Interval +20% Chance to Double Items in Farming +25% Chance to Double Items in Runecrafting +15% Chance to preserve Summoning Charges +35% Flat Slayer Area Effect Negation +5% Chance To Preserve Prayer Points +1 base primary resource quantity gained in Fletching for Gem-Tipped Bolts nodes +10 base primary resource quantity gained in Summoning for Melvor Realm only Bypass All Slayer Area item requirements +5% Chance To Preserve Potion Charge -20% Woodcutting Interval -25% Cooking Interval -10% Summoning Interval -10% Astrology Interval +5% Reflect Damage -20% Agility Pillar build costs +5% Chance to Preserve Food when eaten +5% Chance to find gem veins when Mining +8% Skill XP for all Skills +10% Rune Preservation x2 Items received from Fishing x2 Items received from Fletching x2 Items received from Herblore
Superior Cartography Skillcape	Item (Cape)		+20% Chance to Preserve Resources in Cartography	-50% Cartography map upgrade interval -20 dig site map refinement cost -30% Cartography survey interval
Superior Max Skillcape	Item (Cape)		+25% Chance to Preserve Resources in Summoning	+8 additional quantity of Runes gained in Runecrafting (Cannot be doubled) +15 Flat HP Regen +5% of Maximum Hit added to Minimum Hit -75% Prayer Point Cost for Prayers -20% Township Building Cost (Capped at -80%) -30% Melvor Realm Agility Obstacle Build Costs +5% Melee Strength Bonus from Equipment +2 base quantity when gaining Stardust from Astrology +2 base quantity when gaining Golden Stardust from Astrology +1 base quantity when gaining Bird Nest from Woodcutting +20% chance to avoid the stun interval and damage in Thieving when failing a pickpocket attempt for {realmName} only +4% Global Perfect Cook chance +2 Coal Ore per Ore Mined. (Item doubling does not apply) +100% chance to successfully Cook an item +5% Ranged Strength Bonus from Equipment +10% Global Slayer Coins (except Item Sales) +150% GP gained from Thieving +20% GP gained from Agility +100% Chance to gain +1 additional resource in Fishing (Cannot be doubled) +100% Chance to gain +1 additional resource in Fletching (Cannot be doubled) +15% Chance to gain +1 additional resource in Crafting (Cannot be doubled) +100% Chance to gain +1 additional resource in Herblore (Cannot be doubled) +50% chance to gain +1 additional resource in Smithing for Bars nodes (Cannot be doubled) +270 Stealth while Thieving +100% chance to gain Charcoal in Firemaking +100% chance to gain Coal Ore in Firemaking +100% chance to gain Ash in Firemaking +10% Summoning Max Hit Rune providing items provide 4x as many runes +40% base primary resource quantity gained in Farming +5% Lifesteal +5% Magic Damage Bonus from Equipment +1% chance to gain 1 Lost Chest from Fishing for Melvor Realm only (Cannot be doubled) +75% Ammo Preservation +8% Damage To Slayer Tasks -75% Coal Costs for Smithing -0.8s Thieving Interval -0.8s Crafting Interval +20% Chance to Double Items in Farming +25% Chance to Double Items in Runecrafting +15% Chance to preserve Summoning Charges +35% Flat Slayer Area Effect Negation +5% Chance To Preserve Prayer Points +1 base primary resource quantity gained in Fletching for Gem-Tipped Bolts nodes +10 base primary resource quantity gained in Summoning for Melvor Realm only Bypass All Slayer Area item requirements +5% Chance To Preserve Potion Charge -20% Woodcutting Interval -25% Cooking Interval -10% Summoning Interval -10% Astrology Interval +5% Reflect Damage -20% Agility Pillar build costs +5% Chance to Preserve Food when eaten +5% Chance to find gem veins when Mining +8% Skill XP for all Skills +10% Rune Preservation x2 Items received from Fishing x2 Items received from Fletching x2 Items received from Herblore
Superior Summoning Skillcape	Item (Cape)		+25% Chance to Preserve Resources in Summoning	-10% Summoning Interval +10% Summoning Max Hit +15% Chance to preserve Summoning Charges +10 base primary resource quantity gained in Summoning for Melvor Realm only
Error creating thumbnail: File missing Void Wisp	Item (Summon1, Summon2)	Error creating thumbnail: File missing	+5% Chance to Preserve Resources in Skills
Error creating thumbnail: File missing Gunter	Pet		+10% Chance to Preserve Resources in Runecrafting
Error creating thumbnail: File missing Puff, the Baby Dragon	Pet		+10% Chance to Preserve Resources in Smithing
The Monolith	Point of Interest		+5% Chance to Preserve Resources in Cartography	-5% Cartography map upgrade interval +5% chance to preserve dig site map excavation actions
Error creating thumbnail: File missing Error creating thumbnail: File missing D3	Skill Tree Node	Error creating thumbnail: File missing	+5% Chance to Preserve Resources in Herblore
Error creating thumbnail: File missing Crow Error creating thumbnail: File missing Salamander Synergy	Summoning Synergy		+10% Chance to Preserve Resources in Smithing +10% Chance to Preserve Resources in Runecrafting
Error creating thumbnail: File missing Pig Error creating thumbnail: File missing Crow Synergy	Summoning Synergy		+15% Chance to Preserve Resources in Cooking	+15% chance to preserve resources in Runecrafting when making Runes
Error creating thumbnail: File missing Pig Error creating thumbnail: File missing Devil Synergy	Summoning Synergy		-10% Chance to Preserve Resources in Firemaking -10% Chance to Preserve Resources in Cooking	+8% Firemaking Mastery XP +8% Cooking Mastery XP

Chance Cap

The preservation chance for all skills is capped at 80%. For a few skills, there exists bonuses which can increase this cap:

The
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Bear & Beaver synergy can increase the cap for
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Fletching by 5%
The
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Bear & Fox synergy can increase the cap for
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Herblore by 5%
The Herblore Preservation Scroll from
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Township can increase the cap for
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Herblore by 5%. This stacks with the above.

Calculating Gains

Math:Resource Preservation