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[[File:Dropped Hallowed Key Mold.png|thumb|A dropped [[Hallowed Key Mold]].]]
Make a set a corruption blocks ([[Ebonstone]]) (enough to allow you to summon the eater of worlds - best suspended in air to avoid contamination) near the environment kind you want to farm. Summon eater of worlds on the corrupted blocks then return to environment of choice. (just tested on 1.2.3.1, Eater of worlds dropped me a frozen mold.) However farming with [[Water candle]] and [[Battle Potion]] might prove more efficient in some cases. On account of testing - its somewhat preferable to use this for the corruption mold as most corrupt creatures that spawn are flying or burrowing so that slows the process down noticeably. The frozen and jungle molds are notably faster to gain via potion and candle.
 
  +
The '''[[Dungeon Key Mold]]s''' can provide the player with some of the game's most powerful weapons. As such it can be very convenient to obtain them in a relatively quick manner. This article attempts to list methods of doing so.
   
  +
== Events ==
OLD METHOD ...
 
  +
[[Event]]s (aka invasions) are an excellent way to farm key molds. They provide large numbers of monsters as well as [[coins]] and interesting drops on their own. As some events occur by random and others by using items, players who doesn't feel like waiting should gather items for the latter type. Events may also be chosen out of their drops. Below is an overview of events:
'''/!\ This page requires major testing and update since the [http://www.terrariaonline.com/threads/terraria-1-2-3.132539/ 1.2.3 patch note] says [[Meteor Head]] no longer drop loot in hardmode. /!\'''
 
   
  +
{|class="mw-collapsible mw-collapsed"
= '''The methods listed below are now obsolete since the meteor heads no longer drop loots in hard-mode''' =
 
  +
! <span style="border: 1px solid #AFCFE2;background-color: #F9F9F9">&nbsp;'''Event Overview'''&nbsp;</span>
  +
|-
  +
|
  +
{| class="terraria"
  +
! Name !! Estimated<br />difficulty !! [[Day and night cycle|Time]] when it<br />can be fought !! Summoning !! Notable loot !! Potential [[coins|coin]]<br />income
  +
|-
  +
| [[File:Goblin Warrior.png|20px]] [[Goblin Army]] || 1 || Any || [[Goblin Battle Standard]] || [[Harpoon]], goblin [[Banner]]s || Low
  +
|-
  +
| [[File:Snowman Gangsta.png|20px]] [[Frost Legion]] || 2 || Any || [[Snow Globe]] || || Very low
  +
|-
  +
| [[File:Blood Moon2.png|25px]] [[Blood Moon]] || 3 || Any || Random event || [[KO Cannon]], [[Bananarang]] || Low
  +
|-
  +
| [[File:Parrot.png|25px]] [[Pirate Invasion]] || 4 || Any || [[Pirate Map]] || [[Pirate_Invasion#Contents|List]] || Moderate
  +
|-
  +
| [[File:Solar Eclipse.png|25px]] [[Solar Eclipse]] || 5 || Day only || Random event ||[[Solar_Eclipse#Content|List]] || Moderate
  +
|-
  +
| [[File:Pumpkin Moon.png|25px]] [[Pumpkin Moon]] || 6 || Night only || [[Pumpkin Moon Medallion]] || [[Pumpkin_Moon#Contents|List]] || Very high
  +
|-
  +
| [[File:Frost Moon.png|25px]] [[Frost Moon]] || 7 || Night only || [[Naughty Present]] || [[Frost_Moon#Contents|List]] || Moderate
  +
|}
  +
|}
   
  +
[[File:Invasion Arena Example.png|thumb|300px|Example of an arena which can be used to fight invasions and thus farm key molds. Notice the layer of [[Pearlstone Block]]s below it.]]
== Farm Designs==
 
* It is preferred to build the farm underground, at least so far that the surface is not visible on the screen. This allows for a better spawn rate, and a higher spawn limit. (For best results, in the case of [[]] or [[Corruption]]/[[Crimson]], make sure souls are dropping.)
 
* All farming methods can be made more effective by drinking [[Battle Potion]]s and holding a [[water candle]]. Note that placing and holding separate water candles stack.
 
* All methods and techniques listed here are in no way documented to be the best. If you come up with a better method, please post it here as a guide. <!-- The turtling one might be the best and easiest -->
 
=== Killing Machine ===
 
This method can be hard to setup but is very effective and can be done while using any gear. [[File:boxFarm.1.PNG|thumb|The materials]][[File:boxFarm.2.PNG|thumb|Wire placement]]
 
'''What you need'''
 
* 14 spiky ball [[trap]]s
 
* [[Wire]] (with a wrench and maybe some wire cutters)
 
* Three doors
 
* A [[timer]] (preferably the 1 Second [[Timer]])
 
* At least 50 meteorite ore
 
   
  +
Defeating events may additionally require various setups to make the fights easier, largely depending on the event you choose. Pirates and Goblins require next to nothing, while the Pumpkin and Frost Moon usually need elaborate arenas.
'''The build'''
 
   
  +
'''IMPORTANT: When you see a mold drop, be sure to pick it up right away! Only a certain number of dropped items can be present at the same time, meaning the mold will despawn if enough items are dropped after it.'''<ref> [http://www.terrariaonline.com/threads/1-2-3-1-loot-disappearing.134583/ www.terrariaonline.com → Forums → Help & Support → Bug Reports → PC → thread: <nowiki>[1.2.3.1]</nowiki> Loot disappearing?]</ref>
Dig out a medium sized room a little ways underground and place your materials like shown in the picture. The meteorite and wire can be placed however you like, just make sure the wire passes over every trap and the timer.
 
The finished product might look something like this:
 
   
 
== AFK farming ==
[[File:boxFarm.3.PNG|400px]]
 
  +
The time it may take for Key Molds to drop makes AFK farming an option some players may consider. There are three things that can kill monsters without player interaction: [[minion]]s, [[lava]], and [[trap]]s. The two latter are often used to make arenas for defeating events, meaning an arena can be convenient for AFK farming. In fact, if the arena is good enough it's even possible to use events for AFK farming. Without player supervision the character should however be walled up as protection. The "waiting room" should be some height above the ground to avoid enemies that can pass through blocks ([[Wraith]]s, [[Devourer]]s), and protected by traps to prevent flying enemies from piling up. The event should also not feature flying enemies that can pass/attack through walls, such as [[Elf Copter]]s.
   
  +
If the player doesn't have or care to make an arena, it's alternately possible to just use minions. This approach largely requires the player to use minion-empowering items ([[Minion#Armor|list]]). As minions are able to pass through walls when returning to the player, but unable to when attacking an enemy, no "waiting room" should be constructed.
=== Pygmy Warriors ===
 
'''What you need'''
 
* At least 50 meteorite ore
 
* [[Pygmy Staff]]
 
* Rope
 
   
  +
Keep in mind that even while AFK-farming, the player is still required to check the progress once in a while. Otherwise any dropped key molds will disappear due to the aforementioned note.
'''Recommended''' (These items upgrade your pygmies, making you safer and increasing the efficiency of the farm)
 
  +
<gallery>
* Full [[Tiki Armor]]
 
  +
File:Pirate Invasion AFK Minion Farming.png|A player using [[Raven Staff|Raven]]s to farm.
* [[Pygmy Necklace]]
 
  +
File:Farming Waiting Room.png|A character sitting inside a "waiting room" while traps are killing monsters.
* [[Hercules Beetle]]
 
  +
</gallery>
   
  +
== Arena tips ==
Assuming it's accessible, this setup is also a valid option:
 
  +
[[File:Natural Area Transformed.png|300px|thumb|A piece of land transformed into the Hallow for mold farming. The surrounding shaft prevents the Hallow from spreading to the adjacent land. Notice the [[platform]]s which allows monsters that spawn in or fall into the shaft to climb up.]]
* Full [[Spooky Armor]]
 
  +
If you want to artificially build a biome to farm Key Molds in, there are two ways to do so:
* [[Pygmy Necklace]]
 
  +
*Gradually stacking one or more block types of the relevant biome until the amount of blocks calls it forth. The compactness of the stacked blocks allows a relatively small area to create a biome, which can be convenient if you're making an arena which doesn't allow for things like [[grass]] and natural cliffs - instead, one can just stack the blocks below the arena. For info on what it takes for a biome to form, see [[Guide:Artificial biomes]].
* [[Hercules Beetle]]
 
  +
*Simply transforming a default biome into another. The [[Clentaminator]] is an excellent tool for changing biomes, also doing so stunningly fast. It's also possible to use [[Seeds|Grass Seeds]] if the player doesn't mind waiting.
* [[Papyrus Scarab]]
 
  +
**If you start with a [[Mud Block]]-based biome, be sure to farm the Jungle Key Mold first! When you transform it into the Corruption or Crimson (or Hallow, after either of those) the top block layer will be transformed into [[Dirt Block|Dirt]], on which Jungle cannot be re-applied.
* [[Necromantic Scroll]]
 
  +
*Unless you don't mind the Corruption, Crimson, or Hallow spreading, you may want to "quarantine" the area by digging a three-block-wide shaft and tunnel to separate the Key Mold-biome from the adjacent land.
  +
*A [[Water Candle]] will increase the number of enemies. This can also be combined with the [[Battle Potion]].
  +
*A [[Campfire]], [[Heart Lantern]], and standing in [[Honey]] will increase a character's survivability.
  +
*Additional info on creating biomes/arenas can be found on:
  +
**[[Guide:Base defense and precautions]]
  +
**[[Guide:Containing the Hallow/Corruption]]
  +
**[[Guide:Defending against events]]
   
  +
== Mold-specific farming ==
'''The Build'''
 
 
=== Corruption Key Mold ===
 
 
The [[Eater of Worlds]]'s body segments all count towards the drop rate of 1/2500. Since the Eater of Worlds consists of 50 segments there is a 1/50 (2%) drop rate for a key mold from the Eater of Worlds. With Hardmode equipment, spam summoning the EoW is quick and reliable.
Dig out a small room underground and place down your meteorite in any fashion you like. Now place your rope so you easily can hang in the middle of the room.
 
Now spawn all your pygmies and grab the rope. Like this:
 
 
[[File:pygFarm.PNG|400px]]
 
 
While you are hanging on the rope and holding a water candle the water candle will not be visible.
 
 
=== The Aviary ===
 
'''What you need'''
 
* At least 50-85 meteorite ore
 
* [[Raven Staff]]
 
* [[Wood Platform]]
 
* One of the [[Hooks]] or something made from the [[Cobalt Shield]] to anchor yourself.
 
* Full [[Tiki Armor]] or [[Spooky armor]].
 
 
'''Recommended'''
 
* [[Pygmy Necklace]]
 
* [[Necromantic Scroll]]
 
* [[Band of ]]/[[Charm of Myths]] (not necessary if properly centered, but doesn't hurt to make sure).
 
 
'''The Build'''
 
 
This build relies one of hardest items in the game to obtain (The Raven Staff), but is extremely easy to set up. Simply go to the biome you want the mold of, go underground and build a box of meteorite like this:
 
 
[[File:Aviary.png|400px]]
 
 
Next summon as many ravens as you can (click inside the walls so they spawn inside). Make sure you properly center and anchor your character inside the box on the wooden platforms two blocks above the floor so the ravens have enough time to home in on any meteor heads that enter the box. Any loot should automatically be picked up and meteor heads should rarely, if ever, touch you.
 
 
===Turtling===
 
'''What you need'''
 
* At least 50 meteorite ore
 
* [[Turtle armor]]
 
* Two or three buckets of honey
 
 
'''Recommended'''
 
* [[Band of ]]
 
* [[Charm of Myths]]
 
* [[Campfire]]
 
* [[Heart Lantern]]
 
* Any obsidian item to be immune to the meteor blocks or a bunch of blocks not to be in touch with the meteor blocks
 
* [[Cobalt Shield]] or upgrades thereof to be immune to knockback <!-- Hooks don't last indefinitely unless something was changed in 1.2 -->
 
 
 
'''The Build'''
 
 
Dig out a small pond in the (artificial or natural) meteor biome to pour honey or water. 2 blocks deep and 2 blocks wide, pour at least 2 buckets in the pond in order to be considered immersed and instantly extinguish the [[On Fire!]] debuff. You know you're enough immersed when the [[Water Candle]] doesn't fit in your hand while you select it (don't worry, even if it doesn't show, it still grants the monster spawn bonus).
 
The best: since the meteors crash in you, you immediately loot every drop and nothing is loss. Consider adding a campfire, possibly with a Heart Lantern, for maximum regeneration.
 
<!-- Since this method requires the least amount of materials and build time and the fact that you immediately loot and don't loose any drop, it has to be better than the others -->
 
 
<!-- Another way to set up this type of automatic key farm is to place at least 50 blocks of meteorite bellow you and build a small stone structure (doesn't need to be stone if you want it pretty), that provides you just enough space to fit in and pour in some honey using the liquid duplicator. Both methods are basically the same, except you can build this one anywhere you want and you don't need to depend on where the meteorite falls next time. --><!-- The requirement for 50 meteorite ore already suggests that the biome can be either artificial or natural -->
 
 
[[File:easyfarmingkeyssetup.PNG|400px]]
 
 
==Mold specific farming==
 
For all these methods, events such as pirate invasion, frost legion and pumpkin moon will help. Other aids increase monster spawn rate like Blood moon, battle potion and water candles. Note that these three buffs/debuffs stack and can be used for maximum efficiency.
 
 
===Corruption Key Mold===
 
The Eater of Worlds Boss segments all count towards the drop rate of 1/2500. Since the Eater of Worlds consists of 50 body segments there is a 1/50 (2%) drop rate for a key mold from the Eater of Worlds. With Hardmode equipment, spam summoning the EoW is quick and reliable.
 
   
 
Another, lesser, method is to kill worm type creature like the World Feeder with explosives. This will kill multiple segments at once, each dropping their own loot.
 
Another, lesser, method is to kill worm type creature like the World Feeder with explosives. This will kill multiple segments at once, each dropping their own loot.
   
===Crimson Key Mold===
+
=== Crimson Key Mold ===
The Brain of Cthulhu uses a group of creatures called creepers to attack the player. Each Creeper has a 1/2500 chance to drop the Crimson Key Mold. Spam summoning the Brain of Cthulhu is not as reliable and fast as the corruption equivalent but is still fast.
+
The [[Brain of Cthulhu]] uses a group of creatures called [[Creeper]]s to attack the player. Each Creeper has a 1/2500 chance to drop the Crimson Key Mold. Spam summoning the Brain of Cthulhu is not as reliable and fast as the corruption equivalent, but still convenient.
   
===Hallowed Key Mold===
+
== Trivia ==
  +
Prior to patch [[1.2.3]] it was popular to use [[Meteor Head]]s to farm key molds. Being summonable with enough [[Meteorite]], easy to defeat, and posing hardly any danger to the player, Meteor Heads were as made for this purpose. In 1.2.3 they were however changed to not drop any loot once in Hardmode, removing them as a means of farming.
As the Hallow is most commonly the players home biome, to stop corruption/crimson, it is relatively easy to obtain the hallowed key mold. As the home biome, invasions tend to happen in it and can be of great help to get the key mold. There is no other method for farming hallowed key molds as of far.
 
  +
<gallery>
  +
File:BoxFarm.3.PNG|Meteor Heads combined with [[trap]]s.
  +
File:PygFarm.PNG|Meteor Heads combined with [[Pygmy|pygmies]]
  +
File:Aviary.png|Meteor Heads combined with [[Raven Staff|Raven]]s.
  +
File:Easyfarmingkeyssetup.PNG|Meteor Heads combined with [[Turtle armor]].
  +
</gallery>
   
===Jungle Key Mold===
+
== References ==
  +
{{reflist}}
Once in Hardmode, the jungle is much more dangerous to enter. There is no specific farming method in the jungle. Therefore, the best way to obtain the mold is to put water candles everywhere and drink a battle potion. An untested method is that bees spawned from hive blocks may drop the jungle key, but it is unlikely.
 
   
===Frozen Key Mold===
 
There is no specific farming method for the snow biome. A reliable method is to place water candles everywhere and drink a battle potion. Then kill everything. Note that corruption, crimson and hallow biomes take precedence over snow biomes. Stay away from the edges of the snow biome to stop monster having a chance to drop those key molds instead.
 
   
 
{{guides}}
 
{{guides}}

Revision as of 02:40, 5 May 2014

Dropped Hallowed Key Mold

A dropped Hallowed Key Mold.

The Dungeon Key Molds can provide the player with some of the game's most powerful weapons. As such it can be very convenient to obtain them in a relatively quick manner. This article attempts to list methods of doing so.

Events

Events (aka invasions) are an excellent way to farm key molds. They provide large numbers of monsters as well as coins and interesting drops on their own. As some events occur by random and others by using items, players who doesn't feel like waiting should gather items for the latter type. Events may also be chosen out of their drops. Below is an overview of events:

 Event Overview 
Name Estimated
difficulty
Time when it
can be fought
Summoning Notable loot Potential coin
income
Goblin Warrior Goblin Army 1 Any Goblin Battle Standard Harpoon, goblin Banners Low
Snowman Gangsta Frost Legion 2 Any Snow Globe Very low
File:Blood Moon2.png Blood Moon 3 Any Random event KO Cannon, Bananarang Low
Parrot Pirate Invasion 4 Any Pirate Map List Moderate
Solar Eclipse Solar Eclipse 5 Day only Random event List Moderate
Pumpkin Moon Pumpkin Moon 6 Night only Pumpkin Moon Medallion List Very high
Frost Moon Frost Moon 7 Night only Naughty Present List Moderate
Invasion Arena Example

Example of an arena which can be used to fight invasions and thus farm key molds. Notice the layer of Pearlstone Blocks below it.

Defeating events may additionally require various setups to make the fights easier, largely depending on the event you choose. Pirates and Goblins require next to nothing, while the Pumpkin and Frost Moon usually need elaborate arenas.

IMPORTANT: When you see a mold drop, be sure to pick it up right away! Only a certain number of dropped items can be present at the same time, meaning the mold will despawn if enough items are dropped after it.[1]

AFK farming

The time it may take for Key Molds to drop makes AFK farming an option some players may consider. There are three things that can kill monsters without player interaction: minions, lava, and traps. The two latter are often used to make arenas for defeating events, meaning an arena can be convenient for AFK farming. In fact, if the arena is good enough it's even possible to use events for AFK farming. Without player supervision the character should however be walled up as protection. The "waiting room" should be some height above the ground to avoid enemies that can pass through blocks (Wraiths, Devourers), and protected by traps to prevent flying enemies from piling up. The event should also not feature flying enemies that can pass/attack through walls, such as Elf Copters.

If the player doesn't have or care to make an arena, it's alternately possible to just use minions. This approach largely requires the player to use minion-empowering items (list). As minions are able to pass through walls when returning to the player, but unable to when attacking an enemy, no "waiting room" should be constructed.

Keep in mind that even while AFK-farming, the player is still required to check the progress once in a while. Otherwise any dropped key molds will disappear due to the aforementioned note.

Arena tips

Natural Area Transformed

A piece of land transformed into the Hallow for mold farming. The surrounding shaft prevents the Hallow from spreading to the adjacent land. Notice the platforms which allows monsters that spawn in or fall into the shaft to climb up.

If you want to artificially build a biome to farm Key Molds in, there are two ways to do so:

  • Gradually stacking one or more block types of the relevant biome until the amount of blocks calls it forth. The compactness of the stacked blocks allows a relatively small area to create a biome, which can be convenient if you're making an arena which doesn't allow for things like grass and natural cliffs - instead, one can just stack the blocks below the arena. For info on what it takes for a biome to form, see Guide:Artificial biomes.
  • Simply transforming a default biome into another. The Clentaminator is an excellent tool for changing biomes, also doing so stunningly fast. It's also possible to use Grass Seeds if the player doesn't mind waiting.
    • If you start with a Mud Block-based biome, be sure to farm the Jungle Key Mold first! When you transform it into the Corruption or Crimson (or Hallow, after either of those) the top block layer will be transformed into Dirt, on which Jungle cannot be re-applied.
  • Unless you don't mind the Corruption, Crimson, or Hallow spreading, you may want to "quarantine" the area by digging a three-block-wide shaft and tunnel to separate the Key Mold-biome from the adjacent land.
  • A Water Candle will increase the number of enemies. This can also be combined with the Battle Potion.
  • A Campfire, Heart Lantern, and standing in Honey will increase a character's survivability.
  • Additional info on creating biomes/arenas can be found on:

Mold-specific farming

Corruption Key Mold

The Eater of Worlds's body segments all count towards the drop rate of 1/2500. Since the Eater of Worlds consists of 50 segments there is a 1/50 (2%) drop rate for a key mold from the Eater of Worlds. With Hardmode equipment, spam summoning the EoW is quick and reliable.

Another, lesser, method is to kill worm type creature like the World Feeder with explosives. This will kill multiple segments at once, each dropping their own loot.

Crimson Key Mold

The Brain of Cthulhu uses a group of creatures called Creepers to attack the player. Each Creeper has a 1/2500 chance to drop the Crimson Key Mold. Spam summoning the Brain of Cthulhu is not as reliable and fast as the corruption equivalent, but still convenient.

Trivia

Prior to patch 1.2.3 it was popular to use Meteor Heads to farm key molds. Being summonable with enough Meteorite, easy to defeat, and posing hardly any danger to the player, Meteor Heads were as made for this purpose. In 1.2.3 they were however changed to not drop any loot once in Hardmode, removing them as a means of farming.

References