[[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 allows requires players to find [[keys]] from special [[Keywarden]] monsters. The keysare required to craft an Infernal Machine, which can be used to open red portals to special boss fights. Those dungeon areas where [[Ubers]], super powered versions of certain quest bosses can drop special monster organs, which can must be crafted into the legendary defeated. These Ubers have a chance (increasing with difficulty level) to drop a [[Hellfire RingDemonic Organ]].

This event is only functional on Inferno difficulty and is only viable for very strong characters. It's meant to provide Once a fun bonus late game feature for expert players, adding additional challenge and farming optionsplayer has collected all 3 demonic organs (4 in RoS) they can be crafted into a [[Hellfire Ring]] by the [[Jeweler]].

# Obtain a key from each Keywarden and the ==Infernal Machine plan.Walkthrough== # Use the keys to open a red portal to one [[File:Infernal-machine-of the three Realms-war.# Slay jpg|thumb|350px|Crafting the special uber bosses in the Realm to earn one of the three demon organsMachine.]]# Craft all three organs into a Hellfire Ring.{{Template:Infernal machine walkthrough}}

The first stage in unlocking the Infernal Machine players have to gather 3 the 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 Keywardens appear four keywardens are located randomly somewhere in their designated areas only on Inferno difficulty. (They were found on all difficulties prior levels, and may require some searching to v1locate.08.) If a player has 5 stacks of Remember that this entire event is [[Nephalem ValorTorment-only]] and the keywardens '''''may''''' not appear on lower difficulty levels, and will never drop a keybelow Torment difficulty. 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 (and Demonic Organ) drop odds per Monster Power difficulty level:

* Monster Power 0[[Torment I]]: 525% * Monster Power 1[[Torment II]]: 1028% * Monster Power 2[[Torment III]]: 2033% * Monster Power 3[[Torment IV]]: 3038% * Monster Power 4[[Torment V]]: 4043% * Monster Power 5[[Torment VI]]: 50% * Monster Power 6: 60% * Monster Power 7: 70% * Monster Power 8: 80% * Monster Power 9: 90% * Monster Power 10: 100%

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]] does not increase did nothing to improve the chances of the keys droppingdrop 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> though it does affect the other items the Keywardens drop, and they can be an excellent source of Rares or Legendaries.

The four keywardens and the planwarden are:

* The [[Key of Destruction]] will drop from [[Odeg the Keywarden]] in Act I - Fields of Misery.** '''D3''': The [[Key of Destruction]]. '''RoS''':

{| class="wikitable"|-! 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|}=Hellfire Rings==

{| class="wikitable"|-! Key of Terror! Infernal Machine Plan|-* The HR is [[account bound]] and can not be sold or traded. | ** It can be [[File:Xahrith.jpg|400pxSalvaged]]| to destroy it and retrieve a [[Forgotten Soul]]. <ref>[Filehttp:Nekarat//diablo.incgamers.jpg|400pxcom/?p=179942 Salvaging the ring]]|-Blizzard CM, 05/10/12</ref>| Xah'Rith on the * The Hellfire Ring is [[Stonefortunique 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, Act 3but this was a bug.| Nekaret in ** Your Followers can wear one also, but not two.* There is no level requirement on the ring making it an ideal [[Silver Spiretwink]], . Any level 1, Act 4|}of character or Follower can wear one.

[[File==Diablo 3: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.Hellfire Ring==

To use the device join a game at [[File:Infernal-machine-plan.jpg|thumb|350px|Blacksmith plan to create the Act 1 quest [[Return to New TristramPortal Device]] ([http://diablonut.incgamers.com/quest/return-to-new-tristram db]) and locate ][[Brother Malachi Squirt the Peddler]] sells the Healer[[Design]] in s that teach the north east Jeweler to craft Hellfire Rings. In Diablo 3 there are 4 Hellfire Rings, one for each type of Tristram[[attribute]] and each sells for two million gold. The house behind Purchase a plan and right click on it while interacting with the Jeweler to teach him has a boarded up door which is normally unclickablethat recipe. With the Portal Device his door will light up as clickable and lead into Crafting the [[Heretic's Abode]]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 D3: Hellfire Ring:* Primary Affix:** +300-329 to one of the three special Realms where you must battle two Uber bosses at onceAttribute. (Varies by ring design. Upon death, one of them )* Secondary Affix: ** Increase Bonus experience by 35%*may4 random properties* drop the special monster organ which is required Legendary Property: Chance to craft the [[launch an explosive ball of Hellfire Ring]]when you attack.

As with The attribute bonus was +170-200 to one Attribute prior to the keywardens[[D3v2]] patch, you *must* have the maximum 5 stacks of Nephalem Valor active when you kill the bosses but that was prior to have any chance of earning their monster organ. AlsoPrimary/Secondary affixes, killing them on a higher setting of Monster Power will increase so all 4 random might roll the odds equivalent of getting the organ by 10% per Monster Level, with a 100% chance on the maximum Monster Level 10what are Primary affixes today.

* The [[Realm ==Reaper of Discord]] - [[King Leoric]] and [[Maghda]].* The [[Realm of Chaos]] - [[Ghom]] and [[Rakanoth]].* The [[Realm of Turmoil]] - [[Siegebreaker_Assault_Beast|Siege Breaker]] and [[Zoltun Kulle]].Souls: Hellfire Ring==

The machine will only work once and open one portalRoS Hellfire Ring [[proc effect]] is a lava pool on the ground. To open another portal you need to reconstruct When the machine again, by collecting Hellfire Ring was first enabled during the three keysRoS Beta test, visiting the Blacksmith and paying him 12,000 gold to craft you another Infernal Machine deviceproc was a nova-like burst of fireballs.

==RewardsReaper of Souls Gallery==

The special uber bosses drop loot like normal elites, Screenshots showing various aspects of the Infernal Machine and also have a chance to drop the monster organs that are required to craft the Hellfire Ring. in Reaper of Souls

* The [[Writhing Spine]] drops <gallery>File:Ros-infernal-hermits-shack1.jpg|Four portals in the Heretic's Abode.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 [[King Leoric]] or [[Maghda]]the Beta.* The [[Devil's Fang]] drops File:Hellfire-ring-ros-fire-nova2.jpg|Ring of Fireballs proc, from [[Ghom]] or [[Rakanoth]]the Beta.File:Hellfire-ring-ros-plan.JPG|Hellfire Ring at the Jeweler.* The [[Vengeful Eye]] File:Key-of-evil1.JPG|Key of Evil drops from [[Siegebreaker_Assault_Beastin Act 4.File:Infernal-machine-of-war.jpg|Siege Breaker]] or [[Zoltun Kulle]]Infernal Machine recipes via the Blacksmith.</gallery>

==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|Crafting the Device.File:Infernal machine device.jpg|Device in backpackstash.File:Heretics abode.jpg|The [[Heretic's Abode]]File:Infernal machine portal.jpg|PortalPortalsFile:Hellfire ring plan.jpg|D3 Hellfire Ring OptionsFile:Hellfire ring strength.jpg|D3 Hellfire Ring (Strength)

===Diablo 3 Infernal Machine Videos===