Ourania Runecrafting Altar

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Ourania Cave entrance location

The Ourania Runecrafting Altar (also known as the ZMI Altar) is a special Runecrafting altar located in the Ourania Cave, which is west of the Battlefield, and south of West Ardougne.

It converts pure essence into an assortment of random runes without a chance of bonus runes being created. The altar, which requires no talisman, tiara or staff to enter, gives double the normal experience for every rune crafted. Comparatively, the Abyss gives a 250% Runecrafting experience modifier, increased to 350% with a demonic skull. Players do not need a specific Runecrafting level in order to craft at this altar, but the chance of crafting higher-levelled runes increases with a higher Runecrafting level.

Once inside the Ourania Cave, quickly reached by an Ourania Teleport, players may use a bank there that requires a payment of 20 runes of any type. They can then go to the altar by taking either a short and dangerous route or a longer and safe route. The long route has no monsters and has a crack at the end that requires no Agility level to use.

Getting there[edit | edit source]

Mechanics[edit | edit source]

With the exception of Armadyl runes and Combination runes, the player is able to craft all runes that are available in the game regardless of whether or not they have the required level or quest requirements. However, the higher the player's Runecrafting level, the higher-levelled the crafted runes will be. The experience here is double to what you would normally get for the runes.

The Ardougne cloak 2 (and higher) adds a chance of creating more runes in the Ourania Altar (rune output is increased by roughly 15%), though no extra experience is gained. Master runecrafter robes (the full set gives 5% more experience) will work here. However, they have a maximum boost of 700 experience per altar click or batch. Runecrafting gloves from Fist of Guthix will not work here, as the experience is already doubled.

Paths[edit | edit source]

There are two paths leading to the altar: a shorter, dangerous route, and a longer, safe route.

Longer route[edit | edit source]

The longer route

This route is a long winding pathway. Once players reach the end of the path, they will have to squeeze through a small crack in the wall to reach the altar. The wall-crack shortcut has no Agility requirements.

Shorter route[edit | edit source]

The shorter route contains Zamorak warriors, Zamorak mages, Zamorak rangers, Zamorak crafters, and cave lizards. Most players will take minimal damage from the attacks, however extremely low level players should consider bringing armour and food. It is recommended to turn auto retaliate off and run past the attackers.

A player crafting runes at the Ourania altar.

Map[edit | edit source]

Recommended equipment[edit | edit source]

Here is a list of a recommended setup with downgradeable options:

Recommended equipment for Ranged
SlotItem (most effective → least effective)
HeadMighty slayer helmet.png: RS3 Inventory image of Mighty slayer helmetMighty slayer helmetArmadyl helmet.png: RS3 Inventory image of Armadyl helmetArmadyl helmetRoyal dragonhide coif.png: RS3 Inventory image of Royal dragonhide coifRoyal dragonhide coifBlack dragonhide coif.png: RS3 Inventory image of Black dragonhide coifBlack dragonhide coifN/A
NeckAmulet of fury.png: RS3 Inventory image of Amulet of furyAmulet of furyAmulet of glory.png: RS3 Inventory image of Amulet of gloryAmulet of gloryAmulet of defence.png: RS3 Inventory image of Amulet of defenceAmulet of defenceHoly symbol.png: RS3 Inventory image of Holy symbolHoly symbolN/A
BackArdougne cloak 2.png: RS3 Inventory image of Ardougne cloak 2Ardougne cloak 2 or higherCape of Accomplishment.png: RS3 Inventory image of Cape of AccomplishmentCape of AccomplishmentSpottier cape.png: RS3 Inventory image of Spottier capeSpottier capeSpotted cape.png: RS3 Inventory image of Spotted capeSpotted capeObsidian cape.png: RS3 Inventory image of Obsidian capeObsidian cape
BodyAgile top.png: RS3 Inventory image of Agile topAgile topWicked robe top.png: RS3 Inventory image of Wicked robe topWicked robe topArmadyl chestplate.png: RS3 Inventory image of Armadyl chestplateArmadyl chestplateRoyal dragonhide body.png: RS3 Inventory image of Royal dragonhide bodyRoyal dragonhide bodyBlack dragonhide body.png: RS3 Inventory image of Black dragonhide bodyBlack dragonhide body
LegsAgile legs.png: RS3 Inventory image of Agile legsAgile legsWicked legs.png: RS3 Inventory image of Wicked legsWicked legsArmadyl chainskirt.png: RS3 Inventory image of Armadyl chainskirtArmadyl chainskirtRoyal dragonhide chaps.png: RS3 Inventory image of Royal dragonhide chapsRoyal dragonhide chapsBlack dragonhide chaps.png: RS3 Inventory image of Black dragonhide chapsBlack dragonhide chaps
Off-hand weaponAny Ranged shieldVoid knight deflector.png: RS3 Inventory image of Void knight deflectorVoid knight deflectorFalador shield 3.png: RS3 Inventory image of Falador shield 3Falador shield 3 or Falador shield 4.png: RS3 Inventory image of Falador shield 44Blessed spirit shield.png: RS3 Inventory image of Blessed spirit shieldBlessed spirit shieldN/A
GlovesPenance gloves.png: RS3 Inventory image of Penance glovesPenance glovesRegen bracelet.png: RS3 Inventory image of Regen braceletRegen braceletCulinaromancer's gloves 10.png: RS3 Inventory image of Culinaromancer's gloves 10Culinaromancer's gloves 10N/AN/A
FeetBoots of lightness.png: RS3 Inventory image of Boots of lightnessBoots of lightnessSpined boots.png: RS3 Inventory image of Spined bootsSpined bootsCarapace boots.png: RS3 Inventory image of Carapace bootsCarapace bootsSnakeskin boots.png: RS3 Inventory image of Snakeskin bootsSnakeskin bootsN/A
RingRing of life.png: RS3 Inventory image of Ring of lifeRing of lifeExplorer's ring 4.png: RS3 Inventory image of Explorer's ring 4Explorer's ring 4N/AN/AN/A

Banking[edit | edit source]

Eniola will allow you access to your bank account in exchange for 20 of any one type of rune. Using cheap runes such as mind runes at 18 coins each is recommended. Due to an update, you no longer need to close the bank window to fill Runecrafting pouches with pure essence. Previously it was common to deliberately keep a full bank, so one could bank the various runes crafted without banking the pouches, but this is now unnecessary due to bank presets.

There are a few other methods of banking when Runecrafting at the Ourania Altar:

Music unlocked[edit | edit source]

Graphical updates[edit | edit source]

Update history[edit | edit source]

This information has been compiled as part of the update history project. Some updates may not be included—see here for how to help out!
  • patch 4 May 2021 (Update):
    • You can no longer walk on lava near the ZMI Altar.
  • patch 22 September 2014 (Update):
    • It is now possible to craft runes at the ZMI Altar from a rune pouch if the player has no essence in their inventory.
  • patch 4 December 2012 (Update):
    • The Zamorak fighters in the Ourania altar are now aggressive again.
  • patch 17 November 2009 (Update):
    • Fixed the lava bubbles near Ourania Altar.
  • patch 7 October 2009 (Update):
    • Stopped lava looking grey near the entrance to Ourania Altar.
  • patch 9 September 2009 (Update):
    • Fixed the attack range of the NPCs at Ourania Altar. This was a knock-on effect from an engine change last week.
  • patch 12 May 2009 (Update):
    • Improved the graphics and wall pieces that were occasionally not visible at the Ourania Altar.

Trivia[edit | edit source]

  • Ourania (Ουρανία), or Urania, was the muse of astronomy in Greek mythology (the name means "heavenly" or "of heaven" in Ancient Greek). This is significant considering the proximity of the grave of the astronomer Scorpius and the Observatory.