Mining

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This page was last updated for (v1.1).
Mining

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, 0.2 seconds by reaching the 50% Mastery pool checkpoint, and then by another 0.2 seconds while the

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Mole

+ Eagle Synergy is active. The percentage reductions are applied before the flat reductions, resulting in the lowest possible action time of 0.55 seconds when all reductions are active. Ore and rune essence 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:

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.

Mastery Unlocks

Item Mastery Unlocks

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

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

Skillcape

The skillcape can be purchased from the store for 1,000,000GP after the player reaches

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Level 99

. The superior skillcape can be purchased from the store for 10,000,000GP after the player reaches

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Level 120

.

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 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

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.

Ores

Higher tiers of ore are unlocked as the player's Mining level increases. The quantity received from any rock is doubled when Mining Gloves are in use. Normal gems can be guaranteed to drop from any ore when Gem Gloves are used, however they have no effect when used while mining essence or gem veins.

Gems

Each Mining action on ores or Pure Essence has a 1% chance of discovering a random normal gem. For ores (excluding Pure Essence) this chance can be increased by any 'Chance to receive gems from Mining' 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, then this chance is increased by 10% of its current value (For example, a 20% chance becomes [math]\displaystyle{ 20\% \times 1.1 = 22\% }[/math] when Clue Chasers Insignia is equipped). The chance to receive a gem is capped at 100%, so any bonuses above this limit have no effect. The

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Mole

and

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Octopus

synergy may also be used for a 15% chance to receive an additional gem of any type whenever a gem is dropped while Mining. 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 one of the aforementioned bonuses is active, as the base chance is 0%.

The possible gem drops are shown below.

Potion

The Perfect Swing Potion provides a chance to mine from a rock without lowering the rock's HP.

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

Summoning Boosts

This table shows all the

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Summoning

Familiars and Synergies that provide a bonus to Mining.

Skill Boosts

This table lists most sources of Mining-specific modifier boosts. For a list of boosts that apply to all skills, see the Skill Boosts page. This list does not contain boosts provided from

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Mastery

rewards.

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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.