Mining

From Melvor Idle
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Mining
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Skill ID: melvorD:Mining
Release Date: 11 September 2019 (v0.04)
Game Version: Melvor Logo.svg Base game
Type: Gathering
Expansions information
Level 99: Melvor Logo.svg Base game
Level 120: TotH.svg Throne of the Herald Expansion
Abyssal 60:
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Into the Abyss Expansion

Mining is a skill used to gather ore, Rune Essence, Pure Essence, and gems for use in many other skills.

Mechanics

Each Mining action takes 3 seconds. This time can be reduced by 5-50% by purchasing pickaxe upgrades, 15% by purchasing the

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Master of Nature

god upgrade, 3% with the

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Elite Pillar of Expertise

, 2% with Harold, 3% with

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Hex Mastery

, 3% when using Candelabra Lit, 0.2s by reaching the 50% Mastery pool checkpoint, 0.2s while the

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Mole

+ Eagle Synergy is active, 0.1s by wearing Dirty Mining Boots, and then by another 0.1s by being on the Terran Dungeon Ruins hex (0.2s when also owning Carthulu). Percentage reductions are applied prior to flat reductions, making it possible to reach the global minimum action time of 0.25s when sufficient reductions are active. Ore amounts can be doubled by wearing Mining Gloves with active charges. Raising Mining to

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Level 99

will unlock the Mining Skillcape for purchase from the Shop. Equipping the Mining Skillcape will give 1 bonus Coal Ore for every Mining action. The Superior Mining Skillcape, which becomes available once

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Level 120

has been reached, increases the bonus Coal Ore quantity to 2 while also providing +5% chance to find gem veins while mining.

Rock HP

Rock HP determines how many ores can be extracted from a rock before it has to respawn. Ore and essence rocks other than

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Meteorite

passively regenerate HP at a rate of 1 every 10 seconds, stopping when a rock reaches its maximum HP. Regeneration does not occur while a rock is respawning after being fully depleted. For ore and essence rocks besides

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Meteorite

, the maximum HP is calculated as follows:

[math]\displaystyle{ \text{Rock HP}=5 + \text{Mastery Level} + \text{Bonus} }[/math]

Where [math]\displaystyle{ \text{Bonus} }[/math] starts at 0, increasing by:

  • +10 if the 95%
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    Mastery
    pool checkpoint has been reached
  • +20 when both the
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    Mole
    and
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    Bear
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    Summoning
    synergy and Perfect Swing Potion is active
  • The below amounts when the relevant bonuses are active:

In addition, the following can be used to provide a chance to deal no damage to rock HP while Mining. Note that these bonuses work for ores or essence only, not gem veins.

Using these bonuses effectively increases a rock's HP to [math]\displaystyle{ \frac{\text{Rock HP}}{1 - \text{Preserve Chance}} }[/math]. For example, a rock with a max HP of 12 while the Perfect Swing Potion III is being used will have an effective max HP of [math]\displaystyle{ \frac{12}{1 - 0.4} = 20 }[/math].

Due to passive rock HP regeneration, it is possible (given a sufficiently high maximum rock HP) to ensure a rock always has HP and never has to respawn, no matter how long it has been mined for. To achieve this, the player's chance to deal zero damage to ores must be at least [math]\displaystyle{ \left \lceil 1 - \frac{\text{Action Interval (seconds)}}{10} \right \rceil }[/math].

Therefore, the chance required in order to avoid respawns at the an interval of 0.85 seconds is [math]\displaystyle{ \left \lceil 1 - \frac{0.85}{10} \right \rceil = \left \lceil 0.915 \right \rceil = 0.92 = 92\% }[/math] or higher. Currently the maximum possible chance is 91% when the highest tier of Perfect Swing Potion and all other available bonuses are utilized.

Below lists the rock HP at various

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Mastery

levels with and without the maximum possible bonus:

Mastery Level Max Rock HP
Without Bonus With Bonus
1 6 86
2 7 87
3 8 88
4 9 89
5 10 90
10 15 95
20 25 105
50 55 135
75 80 160
99 104 184

Gem Veins

Gem veins do not regenerate naturally, but rather may be discovered at random when mining any ore after

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Dragonite

. The chance of discovering a gem vein per mining action is 0.533%, which may be increased by 5% if the Superior Mining Skillcape is equipped, resulting in an overall chance of 0.56%.

The type and size of gem vein discovered is randomly determined. The discovered vein has an 85% chance of being Onyx, a 10% chance of being Oricha, and a 5% chance of being Cerulean. The size of the vein may be either small, medium, or large:

  • Small veins are discovered with a 62.5% chance, having an HP between 5 and 15
  • Medium veins are discovered with a 25% chance, having an HP between 10 and 25
  • Large veins are discovered with a 12.5% chance, having an HP between 20 and 60

Meteorites

Meteorites can be discovered at random while studying any constellation in

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Astrology

. When discovered, the HP of the meteorite rock will be increased by a random amount between 5 and 24 HP.

Starfalls

Starfalls can be discovered at random while studying any abyssal constellation in

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Astrology

. When discovered, the HP of Abycite, Mysticite, and Echocite will be increased by a random amount between 20 and 200 HP. Each rock will roll a different HP amount.

Mastery Unlocks

Item Mastery Unlocks

Note that the increased chance to double bonuses apply to all types of rocks, despite the description specifically mentioning ore.

Level Unlock
1 Each Mastery Level increases maximum Rock HP by 1
10 1% Chance of obtaining 2 ore
20 2% Chance of obtaining 2 ore
30 3% Chance of obtaining 2 ore
40 4% Chance of obtaining 2 ore
50 5% Chance of obtaining 2 ore
60 6% Chance of obtaining 2 ore
70 7% Chance of obtaining 2 ore
80 8% Chance of obtaining 2 ore
90 9% Chance of obtaining 2 ore
99 15% Chance of obtaining 2 ore

Mastery Pool Checkpoints

Melvor Realm

Pool % Pool XP Bonus
10% 1,150,000 xp +5% Mining Mastery XP for Melvor Realm only
25% 2,875,000 xp -10% Mining node respawn interval for Melvor Realm only
50% 5,750,000 xp -0.2s Mining Interval for Melvor Realm only
95% 10,925,000 xp +10 Mining Node HP (Melvor Realm Only)
Total Mastery Pool XP 11,500,000

Abyssal Realm

Pool % Pool XP Bonus
10% 750,000 xp +6% Mining Mastery XP for Abyssal Realm only
25% 1,875,000 xp -15% Mining node respawn interval for Abyssal Realm only
50% 3,750,000 xp 100% increased chance to locate an Abyssal Gem Vein in Mining
95% 7,125,000 xp -0.2s Mining Interval for Abyssal Realm only
Total Mastery Pool XP 7,500,000

Skillcapes

Regular Skillcape

The Mining Skillcape is the skillcape for the Mining skill. It can be purchased for 1,000,000GP from the Shop once the player reaches

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Level 99

in the Mining skill. The Mining Skillcape offers the following benefits when worn:

+1 Coal Ore per Ore Mined. (Item doubling does not apply)

Superior Skillcape

The Superior Mining Skillcape is the superior skillcape for the Mining skill. It can be purchased for 10,000,000GP from the Shop once the player reaches

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Level 120

in the Mining skill.

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Level 120

can only be reached if the player owns the TotH.svg Throne of the Herald expansion. Likewise, the superior skillcape can only be purchased if the player owns this expansion. The superior skillcape offers the following benefits when worn:

+2 Coal Ore per Ore Mined. (Item doubling does not apply) and +5% Chance to find gem veins when Mining

Pet

The pet can be unlocked by doing any Mining action.

PetNameDLCEffect
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Cool RockMelvor Logo.svg +5 Mining Node HP

Purchases

Pickaxes

Pickaxes are permanent upgrades purchased from the Shop that decrease the amount of time it takes to mine ore by their bonus speed percentage. The later pickaxes also provide a number of other bonuses, as listed in the table below. The bonuses provided by these upgrades are permanently active once purchased, they do not need to be equipped or otherwise enabled.

Pickaxe Coatings

Rocks

"Ore" redirects here. For the
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Township

resource, see Township#Buildings and Resources

Higher tiers of rocks are unlocked as the player's Mining level increases. The quantity received from any ore rock is doubled when Mining Gloves are in use, and normal gems are guaranteed to drop from any ore when Gem Gloves are used, however neither of these gloves have any effect when used while mining essence or gem veins.

Melvor Rocks

Abyssal Rocks

Gems

Normal Gems

Each Mining action has a 1% chance of discovering a random normal gem. The chance to receive gems when mining ores can be increased by bonuses such as that from

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Terra

, or can be guaranteed through the use of Gem Gloves. If the Clue Chasers Insignia is equipped, the chance to find gems is increased by 10% (For example, a 20% chance becomes [math]\displaystyle{ 20\% \times 1.1 = 22\% }[/math]). The chance to receive a gem is capped at 100%, so any bonuses above this limit have no effect.

While mining Pure Essence, there is a chance that a Runestone will be dropped instead of a normal gem. The chance of Runestone drops is not subject to the usual normal gem drop chance bonuses, and so the base chance of 1% may only be increased to 1.1% while wearing the Clue Chasers Insignia.

Any gems dropped (including Runestones) may be doubled if any global or Mining specific item doubling bonuses apply. The

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Mole

and

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Octopus

synergy and/or Gem Finder Scroll may also be used for a chance to receive an additional normal gem of any type whenever a normal gem is dropped while Mining - this additional gem also has a chance to be doubled. If the synergy is active while mining Pure Essence, then a Runestone will be obtained in place of a random gem.

Superior Gems

Superior gems can drop from any gem vein (in addition to the gem provided by mining the vein) with a chance of 10% per action. This chance can be increased by any things providing a bonus to the chance to receive a quality superior gem. Superior gems may also drop while mining

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Meteorite

, but only when a bonus to the chance to receive a superior gem is active, as the base chance is 0%. Random superior gem drops cannot be doubled, nor does the

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Mole

and

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Octopus

synergy or Gem Finder Scroll apply.

The possible gem drops are shown below.

GemDLCGem ChanceGem Price
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Nightopal
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50.0%100AP
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Shadowpearl
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30.0%100AP
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Moonstone
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15.0%400AP
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Voidheart
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5.0%800AP

Potion

The Perfect Swing Potion provides a chance to mine from a rock without lowering the rock's HP. This potion has no effect while mining from a gem vein.

Perfect Swing Potion
PotionTierChargesEffect
Perfect Swing Potion II30+10% chance to deal no damage to Essence Nodes in Mining and +10% chance to deal no damage to Ore Nodes in Mining
Perfect Swing Potion IIII50+20% chance to deal no damage to Essence Nodes in Mining and +20% chance to deal no damage to Ore Nodes in Mining
Perfect Swing Potion IIIIII80+40% chance to deal no damage to Essence Nodes in Mining and +40% chance to deal no damage to Ore Nodes in Mining
Perfect Swing Potion IVIV100+80% chance to deal no damage to Essence Nodes in Mining and +80% chance to deal no damage to Ore Nodes in Mining

The Gem Detector Potion provides a chance to receive a quality superior gem while mining either a gem vein or Meteorite Ore.

Gem Detector Potion
PotionTierChargesEffect
TotH.svg Gem Detector Potion II10+2% chance to receive a Quality Superior Gem while Mining a "Gem Vein" Node or Meteorite Ore
TotH.svg Gem Detector Potion IIII20+4% chance to receive a Quality Superior Gem while Mining a "Gem Vein" Node or Meteorite Ore
TotH.svg Gem Detector Potion IIIIII30+7% chance to receive a Quality Superior Gem while Mining a "Gem Vein" Node or Meteorite Ore
TotH.svg Gem Detector Potion IVIV40+10% chance to receive a Quality Superior Gem while Mining a "Gem Vein" Node or Meteorite Ore

The Abyssal Miner Potion provides a chance gain a random Abyssal Gem while Mining "Abyssal Rock" and "Outcrop" Nodes.

Abyssal Miner Potion
PotionTierChargesEffect
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I1+0.10% chance to receive an Abyssal Gem while Mining "Abyssal Rock" and "Outcrop" Nodes
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II2+0.20% chance to receive an Abyssal Gem while Mining "Abyssal Rock" and "Outcrop" Nodes
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III3+0.30% chance to receive an Abyssal Gem while Mining "Abyssal Rock" and "Outcrop" Nodes
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IV4+0.40% chance to receive an Abyssal Gem while Mining "Abyssal Rock" and "Outcrop" Nodes

Summoning Boosts

This table shows all the

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Summoning

Familiars and Synergies that provide a bonus to Mining.

Skill Boosts

Skill boosts are special enhancements that improve the efficiency and effectiveness of the player's skills. These boosts can come from a variety of sources such as equipment, potions, pets, and masteries. Global boosts are boosts which apply across all skills. A boost can be assumed to be for the listed skill only, unless specifically stated it is a global boost. Boosts help the player to progress faster and achieve higher levels of mastery in each skill. The following are some common types of skill boosts and what they do:

  • Increased Skill XP: Increases the amount of experience points (XP) gained.
  • Decreased Skill Interval: Reduces the time it takes to complete skilling actions, allowing the player to perform more actions in a given period.
  • Preservation Chance: Increases the likelihood that resources or items used during skill actions are not consumed.
  • Increased Chance to Double Items: Gives a higher chance of receiving double the items or resources when performing skill-related actions.
  • Increased Mastery XP: Enhances the rate at which mastery XP is gained for a skill.

For more information on general skill boosts that apply to all skills, refer to the Skill Boosts page.

Trivia

Prior to the release of V1.0, the source code file for the Mining skill was called rockHitting.js, which is in contrast to other skills' source files which are named eponymously (i.e., woodcutting.js for Woodcutting). This used to be case for Mining as well[1], however it turned out that some browsers or extensions block a script called mining.js, likely in an attempt to prevent unwanted crypto mining, so the file was eventually renamed.

Upon release of V1.0, Mining became one of a small number of tick-based skills, at which point the source file was renamed once more to rockTicking.js.