Infernal Machine

What is the Infernal Machine?

The Infernal Machine is an end-game quest feature introduced into Diablo 3 in the v1.0.5 patch and changed in Patch 2.3. Prior to patch 2.3, the Keywardens would drop keys and the player would need one of each to craft one machine.

Now, the Keywardens drop the machines directly. The Machines are 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.

Infernal Machine
Portals in the Heretic’s Abode.

Once a player has collected all 4 demonic organs they can be crafted into a Hellfire Ring or a Hellfire Amulet by the Jeweler. Players without Reaper of Souls will only be able to make a version of the Hellfire Ring.

Infernal Machines only drop on the Torment difficulties.

Reaper of Souls Infernal Machines

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

MachineKeywardenRealmUber BossesDemonic Organ
Infernal Machine of BonesOdeg the Keywarden in Act IRealm of DiscordLeoric and MaghdaLeoric’s Regret
Infernal Machine of GluttonySokahr the Keywarden in Act IIRealm of ChaosRakanoth and GhomVial of Putridness
Infernal Machine of WarXah’Rith the Keywarden in Act IIIRealm of TurmoilSiegebreaker and Zoltan KulleIdol of Terror
Infernal Machine of EvilNekarat the Keywardenin Act IVRealm of FrightUber Diablo + random UberHeart of Evil

To use the machine, go to the Hermit’s hut in New Tristram (its in the north).

Drop Rates

  • Torment I: 25%
  • Torment II: 28%
  • Torment III: 33%
  • Torment IV: 38%
  • Torment V: 43%
  • Torment VI: 50%
  • Torment VII: 60%
  • Torment VIII: 70%
  • Torment IX: 80%
  • Torment X: 90% (Double machines are not uncommon.)

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