Material with which to purgatory machine:* keys 1 - the first act of the pain fields (Field of Misery) variation of Goat Key defenders (Goat Mutant Key Warden).Cheap Diablo III Gold* keys 2 - the second act of urban ancient Oasis (Dahlgur Oasis) desert traveler Key defenders (Dune Dervish Key Warden).* keys 3 - third act (Stonefort) of the magic stone castle captive caster Key defenders (Morlu Spellcaster Key Warden).* purgatory device formula - act iv silver Spire layer (the silver Spire) fear the magic Key defenders (Terror Demon Key Warden).* you can always meet purgatory difficulty in key defenders.* the monster intensity have no effect.* drop rate is not 100%.How to use the purgatory device* need to be in a new twist of the infidel apartment (Heretic 's Abode) activation in charge.* open three areas of the portal is random.* disturbed areas (The Realm of Discord) - Leo rick and magda.* upheaval area (The Realm of Turmoil) - siege damage to beasts, and Jordan, library.* Chaos area (The Realm of Chaos) - GongM and las kano.* a hell device can be used only once.* if you want to open another portal must create a new device.* before you beat the BOSS or leave the game, the portal will always open.* used to making hell fire Ring (Hellfire Ring) materials: hatred Eye (The Vengeful Eye), demon teeth (Devil 's Fang) and distorted backbone (Writhing Spine), not every time will fall.Diablo III Gold