Skill Boosts

This page contains a list of sources of boosts that affect all skills. The specific boosts covered here are:

• +X% Global Skill XP
• +X% Chance to Preserve Resources in Skills
• +X% Chance To Double Items Globally
• +X% Global Mastery XP
• +X% Global Skill XP

Note that this list does not include any Mastery rewards, most notably those provided by Firemaking.

Source	Type	Skill Boosts	Other Modifiers
Pipe Balance	Agility Obstacle 3	+3% Chance to Preserve Resources in Skills	+3% Chance to deal no Damage to an Ore or Essence Mining Node +10 Mining Node Hitpoints
Pit Jump	Agility Obstacle 3	+3% Global Skill XP	-4% Agility Skill XP
Coal Stones	Agility Obstacle 4	+3% Chance to Preserve Resources in Skills	-4% Global Skill XP +10% Food Healing Value +20% GP From Thieving
Tree Climb	Agility Obstacle 5	+3% Global Mastery XP +4% Global Skill XP	-10% Ammo Preservation -10% Chance to Preserve Resources in Skills -10% Rune Preservation
Tree Hop	Agility Obstacle 6	+5% Chance to Preserve Resources in Skills	+5% Ammo Preservation +5% Rune Preservation
A Lovely Jog	Agility Obstacle 8	+5% Global Skill XP	-6% Global Mastery XP
Tree Hang	Agility Obstacle 8	+5% Global Mastery XP	-6% Global Skill XP
Ice Jump	Agility Obstacle 9	+5% Chance to Double Items Globally +10% Chance to Preserve Resources in Skills	+20 Maximum Hitpoints +5% Food Healing Value +10 Mining Node Hitpoints
Water Jump	Agility Obstacle 9	+3% Global Mastery XP	+8% Magic Maximum Hit +8% Melee Maximum Hit +8% Ranged Maximum Hit
Boulder Move	Agility Obstacle 10	+8% Global Mastery XP
Lava Waterfall Dodge	Agility Obstacle 10	+10% Chance to Preserve Resources in Skills	+5% Ammo Preservation +10% Chance To Preserve Prayer Points +10% Rune Preservation
Pit Maze	Agility Obstacle 11	+3% Global Mastery XP	-20% Chance to Preserve Resources in Skills +2% chance to receive a Quality Superior Gem while Mining Gem Veins or Meteorite Ore +15 Mining Node Hitpoints
Water Maze	Agility Obstacle 11	+10% Chance to Double Items Globally	-10% Global Skill XP
Balance Trap	Agility Obstacle 13	+5% Chance to Double Items Globally	-30% GP From Agility +10% Agility Interval
Ice Trap	Agility Obstacle 13	+6% Global Mastery XP	-20% Auto Eat Efficiency -10% Damage To All Monsters
Lava Trail	Agility Obstacle 15	+15% Chance to Preserve Resources in Skills	-8% Global Mastery XP
Water Dive	Agility Obstacle 15	+8% Global Mastery XP	-8% Global Skill XP
Elite Pillar of Expertise	Agility Pillar	+8% Chance to Double Items Globally +8% Global Mastery XP	-3% Interval for all non-Combat Skills +40% Global GP (except Item Sales)
Pillar of Skilling	Agility Pillar	+3% Chance to Double Items Globally +2% Global Mastery XP +3% Chance to Preserve Resources in Skills	+10% Farming Yield
Rosaniya	Constellation	+8% Chance to Double Items Globally +5% Global Mastery XP	+50 Bank Space +8% chance to receive a Quality Superior Gem while Mining Gem Veins or Meteorite Ore +4% chance to locate Stardust in Astrology +5% Global GP (except Item Sales)
Cape of Completion	Item (Cape)	+5% Global Skill XP	Bypass Slayer Area item requirements for areas that require less than level 100 Slayer -20% Agility Obstacle Build Costs -50% Prayer Point Cost for Prayers (Prayer Point cost cannot go below 1) -0.5s Thieving Interval -0.5s Crafting Interval -15% Woodcutting Interval -15% Cooking Interval -50% Coal Costs for Smithing -15% Township Building Cost (Does not affect GP cost. Capped at -80%) x2 Items received from Fishing x2 Items received from Fletching x2 Items received from Herblore Create +5 Additional Runes of the same type in Runecrafting +50% Ammo Preservation +1 to base drop quantity of Stardust and Golden Stardust from Astrology +1 Coal Ore per Ore Mined. (Item doubling does not apply) +100% chance to receive Ash per log burnt in Firemaking +2% Global Perfect Cook chance +100% chance to successfully Cook an item +15% Chance to Double Items in Runecrafting +5% Damage To Slayer Tasks +25% Farming Yield +100% chance to receive coal when burning logs in Firemaking +10% GP From Agility +100% GP From Thieving +10 Flat Hitpoints Regeneration +25% Mastery Pool XP Cap Items that reduce Rune costs are now 2x as effective +20% Chance to Preserve Resources in Summoning +25% Flat Slayer Area Effect Negation +10% Chance to preserve Summoning Charges +10 Base Quantity for Summoning Tablet Creation +150 Stealth while Thieving
Firemaking Skillcape	Item (Cape)	+5% Global Skill XP	+100% chance to receive Ash per log burnt in Firemaking +100% chance to receive coal when burning logs in Firemaking
Maximum Skillcape	Item (Cape)	+5% Global Skill XP	Bypass Slayer Area item requirements for areas that require less than level 100 Slayer -20% Agility Obstacle Build Costs -50% Prayer Point Cost for Prayers (Prayer Point cost cannot go below 1) -0.5s Thieving Interval -0.5s Crafting Interval -15% Woodcutting Interval -15% Cooking Interval -50% Coal Costs for Smithing -15% Township Building Cost (Does not affect GP cost. Capped at -80%) x2 Items received from Fishing x2 Items received from Fletching x2 Items received from Herblore Create +5 Additional Runes of the same type in Runecrafting +50% Ammo Preservation +1 to base drop quantity of Stardust and Golden Stardust from Astrology +1 Coal Ore per Ore Mined. (Item doubling does not apply) +100% chance to receive Ash per log burnt in Firemaking +2% Global Perfect Cook chance +100% chance to successfully Cook an item +15% Chance to Double Items in Runecrafting +5% Damage To Slayer Tasks +25% Farming Yield +100% chance to receive coal when burning logs in Firemaking +10% GP From Agility +100% GP From Thieving +10 Flat Hitpoints Regeneration Items that reduce Rune costs are now 2x as effective +20% Chance to Preserve Resources in Summoning +25% Flat Slayer Area Effect Negation +10% Chance to preserve Summoning Charges +10 Base Quantity for Summoning Tablet Creation +150 Stealth while Thieving
Superior Cape of Completion	Item (Cape)	+8% Global Skill XP	Bypass All Slayer Area item requirements -30% Agility Obstacle Build Costs -20% Agility Pillar build costs -75% Prayer Point Cost for Prayers (Prayer Point cost cannot go below 1) -0.8s Thieving Interval -0.8s Crafting Interval -20% Woodcutting Interval -25% Cooking Interval -10% Summoning Interval -10% Astrology Interval -75% Coal Costs for Smithing -20% Township Building Cost (Does not affect GP cost. Capped at -80%) x2 Items received from Fishing x2 Items received from Fletching x2 Items received from Herblore Create +8 Additional Runes of the same type in Runecrafting +75% Ammo Preservation +2 to base drop quantity of Stardust and Golden Stardust from Astrology +1 Bolts produced per action in Fletching +2 Coal Ore per Ore Mined. (Item doubling does not apply) +50% Chance to gain +1 additional bar in Smithing (Cannot be doubled) +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) +20% Chance to Double Farming Yield +100% chance to receive Ash per log burnt in Firemaking +100% chance to receive Charcoal per burn in Firemaking +4% Global Perfect Cook chance +100% chance to successfully Cook an item +20% chance to avoid the stun interval and stun damage in Thieving when pickpocket attempt fails +25% Chance to Double Items in Runecrafting +1% chance to find a Lost Chest while Fishing (This is separate to the Special Fishing Chance) +5% Chance to Preserve Food when eaten +5% Chance To Preserve Potion Charge +5% Chance To Preserve Prayer Points +8% Damage To Slayer Tasks +40% Farming Yield +100% chance to receive coal when burning logs in Firemaking +20% GP From Agility +150% GP From Thieving +5% Chance to find gem veins when Mining +15 Flat Hitpoints Regeneration +5% Lifesteal +5% Magic Damage Bonus from Equipment +5% Melee Strength Bonus from Equipment +1 minimum Bird Nest's received from Woodcutting +5% of Maximum Hit added to Minimum Hit +5% Ranged Strength Bonus from Equipment +5% Reflect Damage +10% Rune Preservation Items that reduce Rune costs are now 4x as effective +25% Chance to Preserve Resources in Summoning +35% Flat Slayer Area Effect Negation +10% Slayer Coins +15% Chance to preserve Summoning Charges +10 Base Quantity for Summoning Tablet Creation +10% Summoning Maximum Hit +270 Stealth while Thieving
Superior Firemaking Skillcape	Item (Cape)	+8% Global Skill XP	+100% chance to receive Ash per log burnt in Firemaking +100% chance to receive Charcoal per burn in Firemaking +100% chance to receive coal when burning logs in Firemaking
Superior Max Skillcape	Item (Cape)	+8% Global Skill XP	Bypass All Slayer Area item requirements -30% Agility Obstacle Build Costs -20% Agility Pillar build costs -75% Prayer Point Cost for Prayers (Prayer Point cost cannot go below 1) -0.8s Thieving Interval -0.8s Crafting Interval -20% Woodcutting Interval -25% Cooking Interval -10% Summoning Interval -10% Astrology Interval -75% Coal Costs for Smithing -20% Township Building Cost (Does not affect GP cost. Capped at -80%) x2 Items received from Fishing x2 Items received from Fletching x2 Items received from Herblore Create +8 Additional Runes of the same type in Runecrafting +75% Ammo Preservation +2 to base drop quantity of Stardust and Golden Stardust from Astrology +1 Bolts produced per action in Fletching +2 Coal Ore per Ore Mined. (Item doubling does not apply) +50% Chance to gain +1 additional bar in Smithing (Cannot be doubled) +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) +20% Chance to Double Farming Yield +100% chance to receive Ash per log burnt in Firemaking +100% chance to receive Charcoal per burn in Firemaking +4% Global Perfect Cook chance +100% chance to successfully Cook an item +20% chance to avoid the stun interval and stun damage in Thieving when pickpocket attempt fails +25% Chance to Double Items in Runecrafting +1% chance to find a Lost Chest while Fishing (This is separate to the Special Fishing Chance) +5% Chance to Preserve Food when eaten +5% Chance To Preserve Potion Charge +5% Chance To Preserve Prayer Points +8% Damage To Slayer Tasks +40% Farming Yield +100% chance to receive coal when burning logs in Firemaking +20% GP From Agility +150% GP From Thieving +5% Chance to find gem veins when Mining +15 Flat Hitpoints Regeneration +5% Lifesteal +5% Magic Damage Bonus from Equipment +5% Melee Strength Bonus from Equipment +1 minimum Bird Nest's received from Woodcutting +5% of Maximum Hit added to Minimum Hit +5% Ranged Strength Bonus from Equipment +5% Reflect Damage +10% Rune Preservation Items that reduce Rune costs are now 4x as effective +25% Chance to Preserve Resources in Summoning +35% Flat Slayer Area Effect Negation +10% Slayer Coins +15% Chance to preserve Summoning Charges +10 Base Quantity for Summoning Tablet Creation +10% Summoning Maximum Hit +270 Stealth while Thieving
Candelabra (Lit)	Item (Consumable)	+4% Global Mastery XP +3% Chance to Preserve Resources in Skills	-3% Interval for all non-Combat Skills +4% non-Combat Skill XP
Clown Hat	Item (Helmet)	+10% Global Mastery XP	-10% Chance to Preserve Resources in Skills -5% Global Skill XP
Crown of Rhaelyx	Item (Helmet)	+10% Chance to Preserve Resources in Skills
Golden Wreath	Item (Helmet, Passive)	+3% Global Mastery XP	+100 GP gained when earning GP, except Alt. Magic and Item Sales +3% non-Combat Skill XP
Peasant Shirt	Item (Platebody)	+8% Chance to Preserve Resources in Skills	-30% Global GP (except Item Sales)
Ancient Ring of Mastery	Item (Ring)	+7% Global Mastery XP
Aorpheat's Signet Ring	Item (Ring, Passive)	+10% Chance to Double Items Globally	-5% Chance to Double Items in Thieving -5% Chance To Double Loot in Combat +100% GP From Agility +100% GP from Firemaking +100% GP From Monsters +100% GP From Thieving
Ring of Wealth	Item (Ring, Passive)	+7% Chance to Double Items Globally	-3% Chance to Preserve Resources in Skills
Book of Scholars	Item (Shield, Passive)	+3% Global Skill XP	-15% Global GP (except Item Sales)
Ace	Pet	+1% Chance to Double Items Globally
Aquarias	Pet	+1% Chance to Double Items Globally
Harold	Pet	+2% Chance to Double Items Globally +5% Global Mastery XP	-0.1s Attack Interval -2% Interval for all non-Combat Skills -0.2s Monster Respawn Timer +3% Ammo Preservation +3% Chance To Preserve Potion Charge +5% Global GP (except Item Sales) +5% Accuracy Rating +5% Global Evasion +50% Mastery Pool XP Cap +2% of Maximum Hit added to Minimum Hit +3% Rune Preservation +5% Slayer Coins +3% Chance to preserve Summoning Charges
Hex	Pet	+3% Global Mastery XP
Party Rock	Pet	+4% Global Mastery XP
Penelope	Pet	+2% Chance to Double Items Globally
Pyro	Pet	+1% Global Skill XP
Saki	Pet	+1% Global Mastery XP
Ty	Pet	+3% Global Mastery XP

Special Items

Some items provide boosts to all skills but don't use the normal Player Modifiers system:

Item		Description
	Crown of Rhaelyx	Created by Patreon (Rhaelyx) +10% chance to preserve resources in non-Combat skills (Does not work with Alt. Magic). This bonus is increased to 25% if there is at least 1 Charge of Rhaelyx in your bank. There is a 0.1% chance a Charge will be destroyed per action.
	Clue Chasers Insignia	Created by Patreon (Clue Scrolls) 10% increased chance to receive Global Rare Items, Mastery Tokens, Bird Nests from Woodcutting, Gems from Mining, and Coal from Firemaking.

Melvor Idle version v1.2.2 (Released: 15th November 2023)
Combat: Attack Strength Defence Hitpoints Ranged Magic Prayer Slayer
Skills: Woodcutting Fishing Firemaking Cooking Mining Smithing Thieving Farming Fletching Crafting Runecrafting Herblore Agility Summoning Astrology Township Cartography Archaeology Alternative Magic
Other: Beginners Guide Guides Bank Combat Mastery Money Making Shop Easter Eggs Pets Golbin Raid Full Version Throne of the Herald Atlas of Discovery
Reference Tables: Items, Equipment, Experience Table, Upgrading Items, Combat Areas, Slayer Areas, Dungeons, Chest Loot Tables, Monsters, Monster Loot Tables