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".
| This page is up to date (v1.3). |
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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Summoningtablets, or prayer points. Rune Preservation and Ammo Preservation are also separate modifiers, which allow for the preservation of runes and
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Rangedammunition 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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Masterybonuses 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% Global Skill XP +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 Area 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 Areas |
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% Global Mastery XP +4% Global Skill XP -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% Global Mastery XP +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% Global Skill XP +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% Global Mastery XP -5% Global Skill XP |
 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% Global Skill XP +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% Global Skill XP +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% Global Skill XP +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 |
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 Error creating thumbnail: File missingBear &
Beaver synergy can increase the cap for Error creating thumbnail: File missingFletching by 5% - The Error creating thumbnail: File missingBear &
Fox synergy can increase the cap for Error creating thumbnail: File missingHerblore by 5% - The
Herblore Preservation Scroll from Error creating thumbnail: File missingTownship can increase the cap forError creating thumbnail: File missingHerblore by 5%. This stacks with the above.
Calculating Gains
| Melvor Idle version v1.3 (Released: 13th June 2024) | ||||||||||||||||||||
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| Reference Tables: Items, Equipment, Experience Table, Upgrading Items, Combat Areas, Slayer Areas, Dungeons, Strongholds, The Abyss, Monsters |
