Astrology
Astrology is a skill that provides passive buffs to various other skills in the game similar to the
| This page was last updated for (v1.1). |
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skill.
Modifiers will be unlocked as you level up your mastery in each constellation, and the buff can be upgraded by spending 
Stardust or 
Golden Stardust to level up that buff to a maximum level of 5 for Golden Stardust buffs and 8 for Stardust buffs.
Mechanics
Leveling Astrology involves Studying various Constellations, starting with the Deedree Constellation at level 1. Studying has a base interval of 3 seconds per action. Studying does not cost any resources and provides Astrology experience and Mastery experience for the Constellation after each action.
Each Study action also has a chance to provide Stardust, Golden Stardust, or to (
) discover a Meteorite.
Acquiring Stardust
Both Stardust and Golden Stardust are exclusively obtained from Astrology. Both are acquired at random while studying constellations, where Stardust and Golden Stardust drops with a 5% and 2% chance per action respectively.
The rate at which stardust may be acquired can be increased by:
- Decreasing the action interval
Secret Stardust Potion reduces the action interval by 3/5/10/15% depending on the potion's tier. Note that since the potions themselves use Stardust as an ingredient, maximizing the Error creating thumbnail: File missingHerblore preservation and doubling chances before creating any of these potions is highly recommended.- Error creating thumbnail: File missingVariel reduces the action interval by 5%.
-
Superior Astrology Skillcape reduces the action interval by 10%. -
Owl + 
Eagle Synergy reduces the action interval by 10%
- Owl itself provides 5% interval reduction, so equipping the synergy gives a total of 15% action interval reduction.
- Increasing the drop chance
- Stardust:
- The 25% Mastery pool checkpoint provides a +5% bonus to the drop chance
- Error creating thumbnail: File missingVariel provides a +2% bonus
- Error creating thumbnail: File missingRosaniya provides a +4% bonus
- Golden Stardust:
- The 50% Mastery pool checkpoint provides a +3% bonus to the drop chance
- The 95% Mastery pool checkpoint provides a +2% bonus
- Error creating thumbnail: File missingAstro provides a +1% bonus
- Error creating thumbnail: File missingVariel provides a +2.5% bonus
Meteorite Ore:
- The 95% Mastery pool checkpoint provides a +2% bonus
- Error creating thumbnail: File missingVariel provides a +0.5% bonus
- Increasing the drop quantity
- Equipping
Astrology Skillcape provides a +1 bonus to the quantity of both Stardust and Golden Stardust that is dropped. - Equipping Superior Astrology Skillcape provides a +2 bonus to the quantity of both Stardust and Golden Stardust that is dropped.
- Both types of Stardust are affected by doubling modifiers, such as:
Aorpheat's Signet Ring- Some Error creating thumbnail: File missingAgility courses
- The Error creating thumbnail: File missingMastery Level 40 star inError creating thumbnail: File missingRosaniya
- Equipping
Modifiers
Each constellation starts with 6 different predetermined modifiers. Each modifier will start with 0% bonus. You can use Stardust or Golden Stardust to upgrade it to 8%(standard) or 5%(unique) bonus. Each upgrade gives a 1% bonus.
Upgrading standard modifiers costs Stardust, while upgrading unique modifiers costs Golden Stardust.
The first upgrade needs 10 Stardust or 50 Golden Stardust. With each upgrade, the cost of Stardust or Golden Stardust will double.
Each standard modifier requires 2550 Stardust to max out, and each unique modifier requires 1550 Golden Stardust to max out. This results in a total of 84,150 Stardust ( 114,750 Stardust) and 51,150 Golden Stardust ( 69,750 Golden Stardust) needed to max out every modifier in astrology.
Mastery Unlocks
Item Mastery Unlocks
| Level | Unlock |
|---|---|
| 20 | Unlock another Star (Unique Modifier) |
| 40 | Unlock another Star (Standard Modifier) |
| 60 | Unlock another Star (Unique Modifier) |
| 80 | Unlock another Star (Standard Modifier) |
| 99 | Unlock another Star (Unique Modifier) |
Mastery Pool Checkpoints
| Pool % | Pool XP | Bonus |
|---|---|---|
| 10% | 800,000 xp | +5% Astrology Mastery XP for Melvor Realm only |
| 25% | 2,000,000 xp | +5% chance to gain Stardust in Astrology |
| 50% | 4,000,000 xp | +3% chance to gain Golden Stardust in Astrology |
| 95% | 7,600,000 xp | +2% chance to locate a Meteorite in Astrology +2% chance to gain Golden Stardust in Astrology |
| Total Mastery Pool XP | 8,000,000 | |
Skillcape
The skillcape can be purchased from the store for 1,000,000
after the player reaches
.
The superior skillcape can be purchased from the store for 10,000,000 after the player reaches
.
Regular Skillcape
The Astrology Skillcape is the skillcape for the Astrology skill. It can be purchased for 1,000,000 from the Shop once the player reaches
in the Astrology skill. The Astrology Skillcape offers the following benefits when worn:
+1 base quantity when gaining Stardust from Astrology and +1 base quantity when gaining Golden Stardust from Astrology
Superior Skillcape
The Superior Astrology Skillcape is the superior skillcape for the Astrology skill. It can be purchased for 10,000,000 from the Shop once the player reaches
in the Astrology skill.
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 base quantity when gaining Stardust from Astrology, +2 base quantity when gaining Golden Stardust from Astrology, and -10% Astrology Interval
Pet
The pet can be unlocked by doing any Astrology action.
| Pet | Name | DLC | Effect |
|---|---|---|---|
Error creating thumbnail: File missing | Astro |  | +1% chance to gain Golden Stardust in Astrology |
Constellations
The bonuses listed below are the maximum possible.
| Constellation | Error creating thumbnail: File missing Level | DLC | XP | Skills | Standard Stars | Unique Stars | |||
|---|---|---|---|---|---|---|---|---|---|
Error creating thumbnail: File missing Level | Modifiers | Error creating thumbnail: File missing Level | Modifiers | ||||||
Error creating thumbnail: File missing | Deedree | 1 | | 5 | Error creating thumbnail: File missing WoodcuttingError creating thumbnail: File missing Farming | 1 | +8% Woodcutting Skill XP +8% Farming Skill XP | 20 | +5% chance to gain Bird Nest in Woodcutting |
| 40 | +8% Woodcutting Mastery XP +8% Farming Mastery XP | 60 | +5% base primary resource quantity gained in Farming | ||||||
| 80 | +8% Chance to Double Items in Woodcutting +8% Chance to Double Items in Farming | 99 | +5% chance to gain Stardust from Magic Tree in Woodcutting (Quantity equal to primary skill resource quantity) | ||||||
Error creating thumbnail: File missing | Iridan | 10 | | 13 | Error creating thumbnail: File missing AttackError creating thumbnail: File missing Smithing | 1 | +8% Accuracy Rating +8% Attack Skill XP | 20 | +5 Hidden Attack Level |
| 40 | +8% Smithing Mastery XP +8% Smithing Skill XP | 60 | -5% Smithing Interval | ||||||
| 80 | +8% Chance to Double Items in Smithing | 99 | +5% of Maximum Hit added to Minimum Hit | ||||||
Error creating thumbnail: File missing | Ameria | 20 | | 21 | Error creating thumbnail: File missing FishingError creating thumbnail: File missing Firemaking | 1 | +8% Fishing Skill XP +8% Firemaking Skill XP | 20 | +5% chance to receive Special Items from Fishing |
| 40 | +8% Fishing Mastery XP +8% Firemaking Mastery XP | 60 | -5% Fishing Interval -5% Firemaking Interval | ||||||
| 80 | +8% Chance to Double Items in Fishing +8% Chance to Double Items in Firemaking | 99 | +5% chance to gain 1 Diamond from Firemaking (Cannot be doubled) | ||||||
Error creating thumbnail: File missing | Terra | 30 | | 29 | Error creating thumbnail: File missing StrengthError creating thumbnail: File missing Mining | 1 | +8% Accuracy Rating +8% Strength Skill XP | 20 | +5 Hidden Strength Level +5% Melee Strength Bonus from Equipment |
| 40 | +8% Mining Mastery XP +8% Mining Skill XP | 60 | +5% Chance to receive gems from Mining (Does not work for Rune Essence) | ||||||
| 80 | +8% Chance to Double Items in Mining | 99 | +5% chance to deal no damage to Essence Nodes in Mining +5% chance to deal no damage to Ore Nodes in Mining | ||||||
Error creating thumbnail: File missing | Vale | 40 | | 37 | Error creating thumbnail: File missing HitpointsError creating thumbnail: File missing Cooking | 1 | +8% Accuracy Rating +8% Hitpoints Skill XP | 20 | -5% Cooking Interval |
| 40 | +8% Cooking Mastery XP +8% Cooking Skill XP | 60 | +5% Lifesteal | ||||||
| 80 | +8% Chance to Double Items in Cooking | 99 | +5% Food Healing Value +5% Chance to Preserve Food when eaten | ||||||
Error creating thumbnail: File missing | Nysa | 45 |  | 41 | Error creating thumbnail: File missing ArchaeologyError creating thumbnail: File missing Cartography | 1 | +8% Archaeology Skill XP +8% Cartography Skill XP | 20 | -5 dig site map refinement cost |
| 40 | +8% chance to preserve dig site map excavation actions | 60 | -5% Cartography survey interval | ||||||
| 80 | +8% Archaeology Mastery XP | 99 | +5% Chance to Double Items in Archaeology +5% Chance to Double Items in Cartography | ||||||
Error creating thumbnail: File missing | Syllia | 50 | | 45 | Error creating thumbnail: File missing RangedError creating thumbnail: File missing Fletching | 1 | +8% Accuracy Rating +8% Ranged Skill XP | 20 | +5 Hidden Ranged Level +5% Ranged Strength Bonus from Equipment |
| 40 | +8% Fletching Mastery XP +8% Fletching Skill XP | 60 | +5% Ammo Preservation | ||||||
| 80 | +8% Chance to Double Items in Fletching | 99 | +5% Chance to gain +1 additional resource in Fletching (Cannot be doubled) | ||||||
Error creating thumbnail: File missing | Arachi | 60 | | 53 | Error creating thumbnail: File missing MagicError creating thumbnail: File missing Runecrafting | 1 | +8% Accuracy Rating +8% Magic Skill XP | 20 | +5 Hidden Magic Level +5% Magic Damage Bonus from Equipment |
| 40 | +8% Runecrafting Mastery XP +8% Runecrafting Skill XP | 60 | +5% Rune Preservation for Alt. Magic Spells | ||||||
| 80 | +8% Chance to Double Items in Runecrafting | 99 | +5% Chance to receive random Elemental Runes from Runecrafting when creating Runes | ||||||
Error creating thumbnail: File missing | Ko | 70 | | 61 | Error creating thumbnail: File missing AgilityError creating thumbnail: File missing Thieving | 1 | +8% Thieving Skill XP +8% Agility Skill XP | 20 | -5% Thieving Interval -5% Agility Interval |
| 40 | +8% Thieving Mastery XP +8% Agility Mastery XP | 60 | +5% GP gained from Agility | ||||||
| 80 | +8% Chance to Double Items in Thieving | 99 | +50 Stealth while Thieving | ||||||
Error creating thumbnail: File missing | Tellus | 80 | | 69 | Error creating thumbnail: File missing DefenceError creating thumbnail: File missing Slayer | 1 | +8 Hidden Defence Level +8% Defence Skill XP | 20 | +5% Global Slayer Coins (except Item Sales) |
| 40 | +8% Slayer Skill XP | 60 | +5% Damage to Monsters in Slayer Areas | ||||||
| 80 | +8% GP from Combat | 99 | +5% Reflect Damage | ||||||
Error creating thumbnail: File missing | Hyden | 90 | | 77 | Error creating thumbnail: File missing PrayerError creating thumbnail: File missing Crafting | 1 | +8% Prayer Skill XP | 20 | -5% Crafting Interval |
| 40 | +8% Crafting Mastery XP +8% Crafting Skill XP | 60 | +5% Chance to gain +1 additional resource in Crafting (Cannot be doubled) | ||||||
| 80 | +8% Chance to Double Items in Crafting | 99 | +5% Chance To Preserve Prayer Points | ||||||
Error creating thumbnail: File missing | Qimican | 95 | | 85 | Error creating thumbnail: File missing SummoningError creating thumbnail: File missing Herblore | 1 | +8% Herblore Skill XP +8% Summoning Skill XP | 20 | -5% Herblore Interval -5% Summoning Interval |
| 40 | +8% Herblore Mastery XP +8% Summoning Mastery XP | 60 | +5% Chance To Preserve Potion Charge | ||||||
| 80 | +8% Chance to Double Items in Herblore +8% Chance to Double Items in Summoning | 99 | +5% Chance to preserve Summoning Charges | ||||||
Error creating thumbnail: File missing | Variel | 100 | | 155 | Error creating thumbnail: File missing Astrology | 1 | +8% Astrology Skill XP | 20 | -5% Astrology Interval |
| 40 | +8% Astrology Mastery XP for Melvor Realm only | 60 | +2.5% chance to gain Golden Stardust in Astrology | ||||||
| 80 | +2% chance to gain Stardust in Astrology | 99 | +0.5% chance to locate a Meteorite in Astrology | ||||||
Error creating thumbnail: File missing | Haemir | 105 | | 235 | Error creating thumbnail: File missing Township | 1 | +8% Township Skill XP | 20 | +5% Township Happiness |
| 40 | +8% Township Resource Generation | 60 | -5% Township Building Cost (Capped at -80%) | ||||||
| 80 | +8% Township Max Storage | 99 | +5% Township Education | ||||||
Error creating thumbnail: File missing | Rosaniya | 110 | | 335 | Error creating thumbnail: File missing WoodcuttingError creating thumbnail: File missing FishingError creating thumbnail: File missing FiremakingError creating thumbnail: File missing CookingError creating thumbnail: File missing MiningError creating thumbnail: File missing SmithingError creating thumbnail: File missing FarmingError creating thumbnail: File missing ThievingError creating thumbnail: File missing FletchingError creating thumbnail: File missing CraftingError creating thumbnail: File missing RunecraftingError creating thumbnail: File missing HerbloreError creating thumbnail: File missing AgilityError creating thumbnail: File missing SummoningError creating thumbnail: File missing AstrologyError creating thumbnail: File missing Township | 1 | +8% chance to receive a Quality Superior Gem while Mining Gem Veins or Meteorite Ore | 20 | +5% Global GP (except Item Sales) |
| 40 | +8% Chance to Double Items Globally | 60 | +50 Bank Space | ||||||
| 80 | +4% chance to gain Stardust in Astrology | 99 | +5% Mastery XP for Melvor Realm only | ||||||
Error creating thumbnail: File missing | Ashtar | 115 | | 475 | Error creating thumbnail: File missing AttackError creating thumbnail: File missing StrengthError creating thumbnail: File missing DefenceError creating thumbnail: File missing HitpointsError creating thumbnail: File missing RangedError creating thumbnail: File missing MagicError creating thumbnail: File missing PrayerError creating thumbnail: File missing Slayer | 1 | +8% Auto Eat Efficiency | 20 | -5% Attack Interval |
| 40 | +8% Damage To Slayer Tasks | 60 | +5% Flat Slayer Area Effect Negation | ||||||
| 80 | +8% Chance To Double Loot in Combat | 99 | Gives the enemy: -5% Damage Reduction | ||||||
Potions
The Secret Stardust Potion reduces the interval for Study actions.
| Secret Stardust Potion | |||
|---|---|---|---|
| Potion | Tier | Charges | Effect |
 | I | 5 | -3% Astrology Interval |
 | II | 10 | -5% Astrology Interval |
 | III | 15 | -10% Astrology Interval |
 | IV | 25 | -15% Astrology Interval |
The Star Seeker Potion increases the chance of finding Golden Stardust.
| Star Seeker Potion | |||
|---|---|---|---|
| Potion | Tier | Charges | Effect |
 | I | 15 | +1% chance to gain Golden Stardust in Astrology |
 | II | 25 | +2% chance to gain Golden Stardust in Astrology |
 | III | 35 | +3% chance to gain Golden Stardust in Astrology |
 | IV | 50 | +5% chance to gain Golden Stardust in Astrology |
Summoning Boosts
This table shows all the
Familiars and Synergies that provide a bonus to Astrology.
| Familiar 1 | Familiar 2 | DLC | Effect | ||
|---|---|---|---|---|---|
 | Owl | | -5% Astrology Interval | ||
Error creating thumbnail: File missing | Devil | | Owl | | Adds an additional +4 to regular stardust drops, gain no golden stardust |
 | Eagle | | Owl | | -10% Astrology interval for Melvor Realm only |
Skill Boosts
This table lists most sources of Astrology-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
rewards.
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| Melvor Idle version v1.3.1 (Released: 30th October 2024) |
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Error creating thumbnail: File missing Combat: Error creating thumbnail: File missing Attack • Error creating thumbnail: File missing Strength • Error creating thumbnail: File missing Defence • Error creating thumbnail: File missing Hitpoints • Error creating thumbnail: File missing Ranged • Error creating thumbnail: File missing Magic • Error creating thumbnail: File missing Prayer • Error creating thumbnail: File missing Slayer • Error creating thumbnail: File missing Corruption
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| Skills: Error creating thumbnail: File missing Farming • Error creating thumbnail: File missing Township • Error creating thumbnail: File missing Woodcutting • Error creating thumbnail: File missing Fishing • Error creating thumbnail: File missing Firemaking • Error creating thumbnail: File missing Cooking • Error creating thumbnail: File missing Mining • Error creating thumbnail: File missing Smithing • Error creating thumbnail: File missing Thieving • Error creating thumbnail: File missing Fletching • Error creating thumbnail: File missing Crafting • Error creating thumbnail: File missing Runecrafting • Error creating thumbnail: File missing Herblore • Error creating thumbnail: File missing Agility • Error creating thumbnail: File missing Summoning • Error creating thumbnail: File missing Astrology • Error creating thumbnail: File missing Alternative Magic • Error creating thumbnail: File missing Cartography • Error creating thumbnail: File missing Archaeology • Error creating thumbnail: File missing Harvesting
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| Other: Error creating thumbnail: File missing Beginners Guide •  Guides • Error creating thumbnail: File missing Bank • Error creating thumbnail: File missing Combat • Error creating thumbnail: File missing Mastery • Error creating thumbnail: File missing Money Making • Error creating thumbnail: File missing Shop •  Easter Eggs •  Pets • Error creating thumbnail: File missing Golbin Raid • Error creating thumbnail: File missing Full Version • Throne of the Herald •  Atlas of Discovery • Error creating thumbnail: File missing Into the Abyss
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| Reference Tables: Items, Equipment, Experience Table, Upgrading Items, Combat Areas, Slayer Areas, Dungeons, Strongholds, The Abyss, Monsters |