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−	The Infernal Machine is an [[end game]] quest feature introduced in the [[v1.0.5 patch]]. This multi-stage event allows players to find keys, which can be used to open red portals to special boss fights. Those bosses can drop special monster organs, which can be crafted into the legendary [[Hellfire Ring]].	+	[[File:Icon portal device.png|left]]
		+	[[File:Ros-infernal-hermits-shack1.jpg|thumb|350px|Portals in the Heretic's Abode.]]
		+	The Infernal Machine is an [[end game]] quest feature introduced into Diablo 3 in the [[v1.0.5 patch]]. This multi-stage event requires players to find [[keys]] from special [[Keywarden]] monsters. The keys are required to craft an Infernal Machine, which can be used to open red portals to special dungeon areas where [[Ubers]], super powered versions of certain quest bosses, must be defeated. These Ubers have a chance (increasing with difficulty level) to drop a [[Demonic Organ]].
−	This event is only functional on Inferno difficulty and is only viable for very strong characters. It's meant to provide a fun bonus late game feature for expert players, adding additional challenge and farming options.	+	Once a player has collected all 3 demonic organs (4 in RoS) they can be crafted into a [[Hellfire Ring]] by the [[Jeweler]].
		+	This event and all the materials required for it are [[Torment only]] and can not be glimpsed on lower difficulty levels.  The basic actions required to obtain the keys and make the Infernal Machines are identical in Diablo 3 and Reaper of Souls. RoS just adds a 4th key and a 4th Uber, upping the complexity slightly.
−	==Quick Summary==	+	* Diablo 2's {{iw|Pandemonium_Event Pandemonium Event}} is the obvious inspiration for this [[end game]] event.
−	Here's a quick summary of the steps in this event. See the sections below for full details about everything related to the Infernal Machine.
−	# Obtain a key from each Keywarden and the Infernal Machine plan.	+	==Infernal Machine Walkthrough==
−	# Use the keys to open a red portal to one of the three Realms.	+
−	# Slay the special uber bosses in the Realm to earn one of the three demon organs.	+	[[File:Infernal-machine-of-war.jpg|thumb|350px|Crafting the Machine.]]
−	# Craft all three organs into a Hellfire Ring.	+	{{Template:Infernal machine walkthrough}}
−	Note that steps 1-3 must be repeated multiple times, since you must create at least three red portals to obtain all three demonic organs. Furthermore, unless you are playing on Monster Power 10, the keywardens do not always drop keys and the uber bosses do not always drop the demonic organs.
	==Find the Keys and Plan==		==Find the Keys and Plan==
−	The first stage in unlocking the Infernal Machine players have to gather 3 keys and a plan from all four acts by killing the Key Wardens. (An even longer and more involved process than Diablo 2′s {{iw|Pandemonium_Event Pandemonium Event}}.)	+	The first stage in unlocking the Infernal Machine players have to gather the keys. The four keywardens are located randomly somewhere in their levels, and may require some searching to locate. Remember that this entire event is [[Torment-only]] and the keywardens may not appear on lower difficulty levels, and will never drop a key below Torment difficulty.
−
−	The Keywardens appear in their designated areas only on Inferno difficulty. (They were found on all difficulties prior to v1.08.) If a player has 5 stacks of [[Nephalem Valor]] the keywardens '''''may''''' drop a key. The only way to increase the odds of a key dropping is to increase the level of [[Monster Power]]. <ref>[http://blues.incgamers.com/Posts/10/1/40/819/188318/mf--infernal-machine-keys#postId_504786 Drop rate at MP0] - Blizzard CM, 17/10/12</ref>  <ref>[http://blues.incgamers.com/Posts/10/1/40/819/188833/act-3-key-warden-drop-rate-unbalanced Innate drop rates equal] - Blizzard CM, 22/10/12</ref>
−	Key drop odds per Monster Power level:	+	Key (and Demonic Organ) drop odds per difficulty level:
−	* Monster Power 0: 5%	+	* [[Torment I]]: 25%
−	* Monster Power 1: 10%	+	* [[Torment II]]: 28%
−	* Monster Power 2: 20%	+	* [[Torment III]]: 33%
−	* Monster Power 3: 30%	+	* [[Torment IV]]: 38%
−	* Monster Power 4: 40%	+	* [[Torment V]]: 43%
−	* Monster Power 5: 50%	+	* [[Torment VI]]: 50%
−	* Monster Power 6: 60%
−	* Monster Power 7: 70%
−	* Monster Power 8: 80%
−	* Monster Power 9: 90%
−	* Monster Power 10: 100%
−	[[Magic Find]] does not increase the chances of the keys dropping.<ref>[http://blues.incgamers.com/Posts/10/1/40/819/188318/mf--infernal-machine-keys#postId_504786 Magic Find effects] - Blizzard CM, 17/10/12</ref> though it does affect the other items the Keywardens drop, and they can be an excellent source of Rares or Legendaries.	+	Prior to [[D3v2]] key and organ drop odds were 5% even on [[Normal]] difficulty, and could be raised all the way to 100% on [[Monster Power 10]].<ref>[http://blues.incgamers.com/Posts/10/1/40/819/188318/mf--infernal-machine-keys#postId_504786 Drop rate at MP0] - Blizzard CM, 17/10/12</ref>  <ref>[http://blues.incgamers.com/Posts/10/1/40/819/188833/act-3-key-warden-drop-rate-unbalanced Innate drop rates equal] - Blizzard CM, 22/10/12</ref>  It was also necessary to have five stacks of [[Nephalem Valor]], though [[Magic Find]] did nothing to improve the drop odds.<ref>[http://blues.incgamers.com/Posts/10/1/40/819/188318/mf--infernal-machine-keys#postId_504786 Magic Find effects] - Blizzard CM, 17/10/12</ref>
−	The four keywardens and the planwarden are:	+	The four keywardens:
−	* The [[Key of Destruction]] will drop from [[Odeg the Keywarden]] in Act I - Fields of Misery	+	* [[Odeg the Keywarden]] in Act I - Fields of Misery.
		+	** '''D3''': The [[Key of Destruction]]. '''RoS''':
	* The [[Key of Hate]] will drop from [[Sokahr the Keywarden]] in Act II - Dahlgur Oasis		* The [[Key of Hate]] will drop from [[Sokahr the Keywarden]] in Act II - Dahlgur Oasis
	* The [[Key of Terror]] will drop from [[Xah'Rith the Keywarden]] in Act III - Stonefort		* The [[Key of Terror]] will drop from [[Xah'Rith the Keywarden]] in Act III - Stonefort
	* The Blacksmithing Plans and random keys will drop from [[Nekarat the Keywarden]] in Act IV - Silver Spire Level 1		* The Blacksmithing Plans and random keys will drop from [[Nekarat the Keywarden]] in Act IV - Silver Spire Level 1
		+
		+	<gallery>
		+	File:Odeg.jpg|Odeg in Act One.
		+	File:Sokahr the keywarden.jpg|Soharh in Act Two.
		+	File:Xahrith.jpg|Xah'Right in Act Three.
		+	File:Nekarat.jpg|Nekerat in Act Four.
		+	</gallery>
		+
		+	The keys, plans, organs, and machines are all [[Bind to Account]] so must be collected by each player individually.
		+
		+
		+	==Building the Infernal Machine==
		+
		+	[[File:Heretics abode door.jpg|thumb|200px|Doorway to Hell]] Once you have the three keys and the infernal machine plan visit the [[Blacksmith]]. He needs to be level 10 in Diablo 3 (Level 12 in RoS) to craft Infernal Machines. Take the IM into the Hermit's Shack and activate it there to open a red portal to one of the Realms.
		+
		+
		+	===Diablo 3 Realms and Ubers===
		+
		+	In Diablo 3 there is only one kind of Infernal Machine and it opens a random portal. Players are advised to do 3 machines in the same game to be sure they get all three portals. Each Realm must be cleared out before the next portal can be opened.
		+
		+	* The [[Realm of Discord]]. Ubers: [[King Leoric]] and [[Maghda]]. May drop the [[Writhing Spine]].
		+	* The [[Realm of Chaos]]. Ubers: [[Ghom]] and [[Rakanoth]]. May drop the [[Devil's Fang]].
		+	* The [[Realm of Turmoil]]. Ubers: [[Siegebreaker_Assault_Beast|Siege Breaker]] and [[Zoltun Kulle]]. May drop the [[Vengeful Eye]].
		+
		+
		+	===Reaper of Souls Infernal Machines===
		+
		+	In Reaper of Souls players can make 4 different types of Infernal Machines, each of which produces a known Portal, making it possible to hunt each Demonic Organ specifically.
		+
		+	* [[Infernal Machine of Bones]] > [[Realm of Discord]]. Ubers: [[Leoric]] and [[Maghda]], may drop [[Leoric's Regret]].
		+	* [[Infernal Machine of War]] > [[Realm of Turmoil]]. Ubers: [[Siegebreaker]] and [[Zoltan Kulle]], may drop [[Idol of Terror]].
		+	* [[Infernal Machine of Gluttony]] > [[Realm of Chaos]]. Ubers: [[Rakanoth]] and [[Ghom]], may drop [[Vial of Putridness]].
		+	* [[Infernal Machine of Evil]] > [[Realm of Fright]]. Ubers: [[Uber Diablo]] + summons random Ubers, may drop [[Heart of Evil]].
−	{| class="wikitable"	+	==Hellfire Rings==
−	|-
−	! Key of Destruction
−	! Key of Hate
−	|-
−	| [[File:Odeg.jpg|400px]]
−	| [[File:Sokahr the keywarden.jpg|400px]]
−	|-
−	| Odeg in the [[Fields of Misery]], Act 1
−	| Sokahr in the [[Dahlgur Oasis]], Act 2
−	|}
		+	[[File:Hellfire-ring-effect2.JPG|thumb|300px|RoS HR lava lake proc.]]
		+	The main perk of the Hellfire Ring is the substantial increase to [[Experience]] gain, and the goal for most players is to create a ring that's got decent stats as well, so they're not giving up too much DPS by using the Hellfire Ring instead of a Legendary or Rare ring. Followers can equip the Hellfire Ring as well, but just as with [[Magic Find]] and [[Gold Find]] on followers, they only share 20% of the bonus experience to the player. Thus a D3 Hellfire Ring on a Follower is worth 7% more Experience to the player, and a RoS HR is worth +9% Experience.
−	{| class="wikitable"	+	* The HR is [[account bound]] and can not be sold or traded.
−	|-	+	** It can be [[Salvaged]] to destroy it and retrieve a [[Forgotten Soul]]. <ref>[http://diablo.incgamers.com/?p=179942 Salvaging the ring] - Blizzard CM, 05/10/12</ref>
−	! Key of Terror	+	* The Hellfire Ring is [[unique equipped]] so that each character can only wear one Hellfire Ring at a time, whether the D3 or the RoS type.
−	! Infernal Machine Plan	+	** Initially during the RoS beta it was possible to wear an imported D3 version along with a new RoS version, but this was a bug.
−	|-	+	** Your Followers can wear one also, but not two.
−	| [[File:Xahrith.jpg|400px]]	+	* There is no level requirement on the ring making it an ideal [[twink]]. Any level of character or Follower can wear one.
−	| [[File:Nekarat.jpg|400px]]
−	|-
−	| Xah'Rith on the [[Stonefort]], Act 3
−	| Nekaret in [[Silver Spire]], level 1, Act 4
−	|}
−	The Keys and Plan are Bind to Account so you can not trade for them.  You can have more than 1 of each key at a time, but each key is consumed by the crafting process, so you will need multiple copies of each key to build the multiple Infernal Machines required to explore each portal area and gather all the materials required to craft the [[Hellfire Ring]].
−	==Building the Infernal Machine==
−	[[File:Icon portal device.png|left]][[File:Heretics abode door.jpg|thumb|100px|Doorway to Hell]] Once you have the three keys and the infernal machine plan visit the [[Blacksmith]]. He needs to be level 10 to craft the machine recipe, and this costs 12,000 gold per craft. This creates a [[Portal Device]] which appears in your character's inventory and can be carried around until you decide to use it.	+	==Diablo 3: Hellfire Ring==
−	To use the device join a game at the Act 1 quest [[Return to New Tristram]] ([http://diablonut.incgamers.com/quest/return-to-new-tristram db]) and locate [[Brother Malachi the Healer]] in the north east of Tristram. The house behind him has a boarded up door which is normally unclickable. With the Portal Device his door will light up as clickable and lead into the [[Heretic's Abode]].	+	[[File:Infernal-machine-plan.jpg|thumb|350px|Blacksmith plan to create the [[Portal Device]].]]
		+	[[Squirt the Peddler]] sells the [[Design]]s that teach the Jeweler to craft Hellfire Rings. In Diablo 3 there are 4 Hellfire Rings, one for each type of [[attribute]] and each sells for two million gold. Purchase a plan and right click on it while interacting with the Jeweler to teach him that recipe. Crafting the ring costs another 50,000 gold.
−	Once you're inside the house, right click the Portal Device in your inventory. This spawns a red portal that will take you to one of the three special Realms where you must battle two Uber bosses at once. Upon death, one of them *may* drop the special monster organ which is required to craft the [[Hellfire Ring]].	+	D3: Hellfire Ring:
		+	* Primary Affix:
		+	** +300-329 to one Attribute. (Varies by ring design.)
		+	* Secondary Affix:
		+	** Increase Bonus experience by 35%
		+	* 4 random properties
		+	* Legendary Property: Chance to launch an explosive ball of Hellfire when you attack.
−	As with the keywardens, you *must* have the maximum 5 stacks of Nephalem Valor active when you kill the bosses to have any chance of earning their monster organ. Also, killing them on a higher setting of Monster Power will increase the odds of getting the organ by 10% per Monster Level, with a 100% chance on the maximum Monster Level 10.	+	The attribute bonus was +170-200 to one Attribute prior to the [[D3v2]] patch, but that was prior to Primary/Secondary affixes, so all 4 random might roll the equivalent of what are Primary affixes today.
−	Each realm contains two bosses you must fight at the same time. These bosses are all familiar monsters from elsewhere in the game, but in this battle they are greatly buffed in power and boast some new abilities. Blizzard estimates that they are approximately as difficult as Diablo himself, on Inferno difficulty.
−	* The [[Realm of Discord]] - [[King Leoric]] and [[Maghda]].	+	==Reaper of Souls: Hellfire Ring==
−	* The [[Realm of Chaos]] - [[Ghom]] and [[Rakanoth]].
−	* The [[Realm of Turmoil]] - [[Siegebreaker_Assault_Beast|Siege Breaker]] and [[Zoltun Kulle]].
		+	There is only one Hellfire Ring design in REaper of Souls, and the random affixes roll randomly, though [[Smart drop]] rules apply, so most rolls will net a big bonus to class' [[mainstat]].
		+	* Primary Affixes:
		+	** None
		+	* Secondary affixes:
		+	** Increases Bonus Experience by 45%
		+	* Legendary property: Chance on hit to engulf the ground in lava, dealing 200% weapon damage per second for 6 seconds.
		+	* +5 Random Affixes
−	The machine will only work once and open one portal. To open another portal you need to reconstruct the machine again, by collecting the three keys, visiting the Blacksmith and paying him 12,000 gold to craft you another Infernal Machine device.	+	The RoS Hellfire Ring [[proc effect]] is a lava pool on the ground. When the Hellfire Ring was first enabled during the RoS Beta test, the proc was a nova-like burst of fireballs.
−	==Rewards==	+	==Reaper of Souls Gallery==
−	The special uber bosses drop loot like normal elites, and also have a chance to drop the monster organs that are required to craft the Hellfire Ring.	+	Screenshots showing various aspects of the Infernal Machine and Hellfire Ring in Reaper of Souls
−	* The [[Writhing Spine]] drops from [[King Leoric]] or [[Maghda]].	+	<gallery>
−	* The [[Devil's Fang]] drops from [[Ghom]] or [[Rakanoth]].	+	File:Ros-infernal-hermits-shack1.jpg|Four portals in the Heretic's Abode.
−	* The [[Vengeful Eye]] drops from [[Siegebreaker_Assault_Beast|Siege Breaker]] or [[Zoltun Kulle]].	+	File:Hellfire-ring-effect1.JPG|Lava Lake proc.
		+	File:Hellfire-ring-effect2.JPG|Lava Lake proc.
		+	File:Hellfire-ring-effect3.jpg||Lava Lake proc doesn't look so good on stairs.
		+	File:Hellfire-ring-ros-compare1.jpg||Hellfire Ring vs. a good rare ring.
		+	File:Hellfire-ring-ros-design.JPG|Buying the design from Squirt for 5m gold.
		+	File:Hellfire-ring-ros-fire-nova1.jpg|Ring of Fireballs proc, from the Beta.
		+	File:Hellfire-ring-ros-fire-nova2.jpg|Ring of Fireballs proc, from the Beta.
		+	File:Hellfire-ring-ros-plan.JPG|Hellfire Ring at the Jeweler.
		+	File:Key-of-evil1.JPG|Key of Evil drops in Act 4.
		+	File:Infernal-machine-of-war.jpg|Infernal Machine recipes via the Blacksmith.
		+	</gallery>
−	As with the keys from the Wardens you need to have 5 stacks of [[Nephalem Valor]] and each level of [[Monster Power]] will give you a 10% chance to drop the item, so MP10 gives you a 100% chance to drop.
−	==The Hellfire Ring==	+	===Reaper of Souls Video===
		+
		+	From the RoS beta, two characters clearing all four Realms and creating the ring.
		+	<youtube>Vkti9bvSU4w</youtube>
−	[[File:Infernal-machine-plan.jpg|thumb|350px|Blacksmith plan to create the [[Portal Device]].]]
−	[[Squirt the Peddler]] sells the [[Design]]s that teach the Jeweler to craft Hellfire Rings. There are 4 such Designs, one for each type of [[attribute]] and each sells for two million gold. Purchase a plan and right click on it while interacting with the Jeweler to teach him that recipe.
−	To craft the ring a character must have 50,000 gold and one of each of the Demon Organs in their inventory.
−	He can craft one of four varieties of the ring where one of the affixes is guaranteed to spawn with +170-200 to a single attribute, either Strength, Dexterity, Intelligence or Vitality.  The full ring stats are as follows:
−	* +170-200 to one Attribute.
−	* Increase Bonus experience by 35%
−	* Chance to launch an explosive ball of Hellfire when you attack.
−	* 4 random properties
−	The ring is account bound and therefore can not be sold or traded however it can be [[Salvaged]]. <ref>[http://diablo.incgamers.com/?p=179942 Salvaging the ring] - Blizzard CM, 05/10/12</ref>
−	* You can only wear one Hellfire Ring. Your Followers can wear one also.
−	* There is no level requirement on the ring so any of your characters can wear it.
−	The main perk of the ring is the substantial increase to Experience gain, and the goal for most players is to create a ring that's got decent stats as well, so they're not giving up too much DPS by using the Hellfire Ring instead of a Legendary or Rare ring. Followers can equip the Hellfire Ring as well, but just as with [[Magic Find]] and [[Gold Find]] on followers, they only share 20% of the bonus experience to the player. Thus a Hellfire Ring on a Follower is worth 7% more Experience to the player.	+	==Diablo 3 Gallery==
−	==Gallery==	+	Diablo 3 Infernal Machine screenshots.
	<gallery>		<gallery>
−	File:Infernal machine plan.jpg|Crafting the Device	+	File:Infernal machine plan.jpg|Crafting the Device.
−	File:Infernal machine device.jpg|Device in backpack	+	File:Infernal machine device.jpg|Device in stash.
−	File:Heretics abode.jpg|[[Heretic's Abode]]	+	File:Heretics abode.jpg|The [[Heretic's Abode]]
−	File:Infernal machine portal.jpg|Portal	+	File:Infernal machine portal.jpg|Portals
−	File:Hellfire ring plan.jpg|Hellfire Ring Options	+	File:Hellfire ring plan.jpg|D3 Hellfire Ring Options
−	File:Hellfire ring strength.jpg|Hellfire Ring (Strength)	+	File:Hellfire ring strength.jpg|D3 Hellfire Ring (Strength)
	</gallery>		</gallery>
−	==Infernal Machine Videos==	+	===Diablo 3 Infernal Machine Videos===
	These two videos show how to find the various Keywardens.		These two videos show how to find the various Keywardens.
	<youtube>KpOW07p0L7U</youtube>		<youtube>KpOW07p0L7U</youtube>
	<youtube>f9c4J5P-E2Q</youtube>		<youtube>f9c4J5P-E2Q</youtube>
−
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	The [[Realm of Turmoil]]. Battle uber versions of [[Siegebreaker_Assault_Beast|Siege Breaker]] and [[Zoltun Kulle]] for a chance to obtain the [[Vengeful Eye]].		The [[Realm of Turmoil]]. Battle uber versions of [[Siegebreaker_Assault_Beast|Siege Breaker]] and [[Zoltun Kulle]] for a chance to obtain the [[Vengeful Eye]].
	<youtube>o4_sdZSGG7A</youtube>		<youtube>o4_sdZSGG7A</youtube>
		+
		+
		+
	==The Infernal Machine Teased==		==The Infernal Machine Teased==

---

Revision as of 16:13, 21 April 2014

The Infernal Machine is an end game quest feature introduced into Diablo 3 in the v1.0.5 patch. This multi-stage event requires players to find keys from special Keywarden monsters. The keys are required to craft an Infernal Machine, which can be used to open red portals to special dungeon areas where Ubers, super powered versions of certain quest bosses, must be defeated. These Ubers have a chance (increasing with difficulty level) to drop a Demonic Organ.

Once a player has collected all 3 demonic organs (4 in RoS) they can be crafted into a Hellfire Ring by the Jeweler.

This event and all the materials required for it are Torment only and can not be glimpsed on lower difficulty levels. The basic actions required to obtain the keys and make the Infernal Machines are identical in Diablo 3 and Reaper of Souls. RoS just adds a 4th key and a 4th Uber, upping the complexity slightly.

• Diablo 2's Pandemonium Event is the obvious inspiration for this end game event.

Infernal Machine Walkthrough

Here's a quick summary of the steps in this event. See the sections below for full details about everything related to the Infernal Machine.

• Obtain a key from each Keywarden.
  • Diablo 3: Keys found from the Keywardens in Acts 1-3. Infernal Machine plan and/or a random key from the Act 4 keywarden.
  • Reaper of Souls: Keys from Acts 1-4 in RoS, with one key from each Keywarden.
• Craft the keys (one of each required) to create an Infernal Machine.
• Enter the Heretic's Abode in Act One Tristram town.
• Activate the Infernal Machine(s) to open a red portal to one of the Realms.
  • There is only one kind of Infernal Machine in D3, and the portal opened is random. Players are advised to have 3 Infernal Machines to do all three in the same game.
  • There are 4 types of Infernal Machines in Reaper of Souls, so players can open precisely the portal they wish.
• Slay the Ubers in the realm, and cross your fingers for a Demonic Organ to drop along with the other loot.
• Once you have at least 1 of each type of Demonic Organs (3 in D3, 4 in RoS) visit the Jeweler to craft them into a Hellfire Ring.

It is usually necessary to repeat the initial steps multiple times, since keys and organs do not drop every time. Even on Torment 6 they have only a 50% chance to drop. Players can farm for the keys and organs much more efficiently in multiplayer games, both for the faster killing speed and since every player in the game has a chance at each item dropping, and all characters in the game can pass through the same portal(s) to the Uber battles.

Find the Keys and Plan

The first stage in unlocking the Infernal Machine players have to gather the keys. The four keywardens are located randomly somewhere in their levels, and may require some searching to locate. Remember that this entire event is Torment-only and the keywardens may not appear on lower difficulty levels, and will never drop a key below Torment difficulty.

Key (and Demonic Organ) drop odds per difficulty level:

• Torment I: 25%
• Torment II: 28%
• Torment III: 33%
• Torment IV: 38%
• Torment V: 43%
• Torment VI: 50%

Prior to D3v2 key and organ drop odds were 5% even on Normal difficulty, and could be raised all the way to 100% on Monster Power 10.^{[1] [2]} It was also necessary to have five stacks of Nephalem Valor, though Magic Find did nothing to improve the drop odds.^[3]

The four keywardens:

• Odeg the Keywarden in Act I - Fields of Misery.
  • D3: The Key of Destruction. RoS:
• The Key of Hate will drop from Sokahr the Keywarden in Act II - Dahlgur Oasis
• The Key of Terror will drop from Xah'Rith the Keywarden in Act III - Stonefort
• The Blacksmithing Plans and random keys will drop from Nekarat the Keywarden in Act IV - Silver Spire Level 1

• 

  Odeg in Act One.

• 

  Soharh in Act Two.

• 

  Xah'Right in Act Three.

• 

  Nekerat in Act Four.

The keys, plans, organs, and machines are all Bind to Account so must be collected by each player individually.

Building the Infernal Machine

Once you have the three keys and the infernal machine plan visit the Blacksmith. He needs to be level 10 in Diablo 3 (Level 12 in RoS) to craft Infernal Machines. Take the IM into the Hermit's Shack and activate it there to open a red portal to one of the Realms.

Diablo 3 Realms and Ubers

In Diablo 3 there is only one kind of Infernal Machine and it opens a random portal. Players are advised to do 3 machines in the same game to be sure they get all three portals. Each Realm must be cleared out before the next portal can be opened.

• The Realm of Discord. Ubers: King Leoric and Maghda. May drop the Writhing Spine.
• The Realm of Chaos. Ubers: Ghom and Rakanoth. May drop the Devil's Fang.
• The Realm of Turmoil. Ubers: Siege Breaker and Zoltun Kulle. May drop the Vengeful Eye.

Reaper of Souls Infernal Machines

In Reaper of Souls players can make 4 different types of Infernal Machines, each of which produces a known Portal, making it possible to hunt each Demonic Organ specifically.

• Infernal Machine of Bones > Realm of Discord. Ubers: Leoric and Maghda, may drop Leoric's Regret.
• Infernal Machine of War > Realm of Turmoil. Ubers: Siegebreaker and Zoltan Kulle, may drop Idol of Terror.
• Infernal Machine of Gluttony > Realm of Chaos. Ubers: Rakanoth and Ghom, may drop Vial of Putridness.
• Infernal Machine of Evil > Realm of Fright. Ubers: Uber Diablo + summons random Ubers, may drop Heart of Evil.

Hellfire Rings

The main perk of the Hellfire Ring is the substantial increase to Experience gain, and the goal for most players is to create a ring that's got decent stats as well, so they're not giving up too much DPS by using the Hellfire Ring instead of a Legendary or Rare ring. Followers can equip the Hellfire Ring as well, but just as with Magic Find and Gold Find on followers, they only share 20% of the bonus experience to the player. Thus a D3 Hellfire Ring on a Follower is worth 7% more Experience to the player, and a RoS HR is worth +9% Experience.

• The HR is account bound and can not be sold or traded.
  • It can be Salvaged to destroy it and retrieve a Forgotten Soul. ^[4]
• The Hellfire Ring is unique equipped so that each character can only wear one Hellfire Ring at a time, whether the D3 or the RoS type.
  • Initially during the RoS beta it was possible to wear an imported D3 version along with a new RoS version, but this was a bug.
  • Your Followers can wear one also, but not two.
• There is no level requirement on the ring making it an ideal twink. Any level of character or Follower can wear one.

Diablo 3: Hellfire Ring

Squirt the Peddler sells the Designs that teach the Jeweler to craft Hellfire Rings. In Diablo 3 there are 4 Hellfire Rings, one for each type of attribute and each sells for two million gold. Purchase a plan and right click on it while interacting with the Jeweler to teach him that recipe. Crafting the ring costs another 50,000 gold.

D3: Hellfire Ring:

• Primary Affix:
  • +300-329 to one Attribute. (Varies by ring design.)
• Secondary Affix:
  • Increase Bonus experience by 35%
• 4 random properties
• Legendary Property: Chance to launch an explosive ball of Hellfire when you attack.

The attribute bonus was +170-200 to one Attribute prior to the D3v2 patch, but that was prior to Primary/Secondary affixes, so all 4 random might roll the equivalent of what are Primary affixes today.

Reaper of Souls: Hellfire Ring

There is only one Hellfire Ring design in REaper of Souls, and the random affixes roll randomly, though Smart drop rules apply, so most rolls will net a big bonus to class' mainstat.

• Primary Affixes:
  • None
• Secondary affixes:
  • Increases Bonus Experience by 45%
• Legendary property: Chance on hit to engulf the ground in lava, dealing 200% weapon damage per second for 6 seconds.
• +5 Random Affixes

The RoS Hellfire Ring proc effect is a lava pool on the ground. When the Hellfire Ring was first enabled during the RoS Beta test, the proc was a nova-like burst of fireballs.

Reaper of Souls Gallery

Screenshots showing various aspects of the Infernal Machine and Hellfire Ring in Reaper of Souls

• 

  Four portals in the Heretic's Abode.

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  Lava Lake proc.

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  Lava Lake proc.

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  Lava Lake proc doesn't look so good on stairs.

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  Hellfire Ring vs. a good rare ring.

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  Buying the design from Squirt for 5m gold.

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  Ring of Fireballs proc, from the Beta.

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  Ring of Fireballs proc, from the Beta.

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  Hellfire Ring at the Jeweler.

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  Key of Evil drops in Act 4.

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  Infernal Machine recipes via the Blacksmith.

Reaper of Souls Video

From the RoS beta, two characters clearing all four Realms and creating the ring.

Diablo 3 Gallery

Diablo 3 Infernal Machine screenshots.

• 

  Crafting the Device.

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  Device in stash.

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  The Heretic's Abode

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  Portals

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  D3 Hellfire Ring Options

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  D3 Hellfire Ring (Strength)

Diablo 3 Infernal Machine Videos

These two videos show how to find the various Keywardens.

The Realm of Discord. Battle uber versions of King Leoric and Maghda for a chance to obtain the Writhing Spine.

The Realm of Chaos. Battle uber versions of Ghom and Rakanoth for a chance to obtain the Devil's Fang.

The Realm of Turmoil. Battle uber versions of Siege Breaker and Zoltun Kulle for a chance to obtain the Vengeful Eye.

The Infernal Machine Teased

The first word of the Infernal Machine came in a Patch 1.0.5 Sneak Peek developer blog post on September 13, 2012 ^[5]. The brief quote is below:

More early details were teased in developer interviews with Jay Wilson and Wyatt Cheng, The feature was teased pre-patch in several developer blogs ^[6] and interviews^{[7] [8]}, in late September 2012.

References

• Hellfire Event Blizzard blog.

1. ↑ Drop rate at MP0 - Blizzard CM, 17/10/12
2. ↑ Innate drop rates equal - Blizzard CM, 22/10/12
3. ↑ Magic Find effects - Blizzard CM, 17/10/12
4. ↑ Salvaging the ring - Blizzard CM, 05/10/12
5. ↑ Blog Update - Blizzard, 13/09/12
6. ↑ Patch 1.0.5 Sneak Peak - Blizzard CM, 13/09/12
7. ↑ Interview - IGN, 17/09/12
8. ↑ Interview - Gnn.Gamer.com.tw, 18/09/12