Furnace of Pain
 | |
| Quest | kill Uber Izual |
| Requirement | none |
| Waypoint | no |
| Act | 5 |
| Shrines | yes |
| Wells | no |
| Monster types | 3 picked per game, ranged first |
Furnace of Pain is a surface area in Act 5.
Furnace of Pain is one of the three areas of 
The Pandemonium Event, in Hell only. Its boss, Uber Izual, drops one of the organs that open Uber Tristram.
Opening the portal
Transmute one of each key in the 
Horadric Cube in Harrogath, in Hell:
Key of Terror, dropped by The Countess in Tower Cellar Level 5
Key of Hate, dropped by The Summoner in Arcane Sanctuary
Key of Destruction, dropped by Nihlathak in Halls of Vaught
The portal leads to Matron's Den, the Forgotten Sands or the Furnace of Pain at random; each opens once per game.
Reward
Mephisto's Brain, dropped by Uber Izual
Furnace of Pain is never terrorized.
Monsters
KoSocketsMonsters here drop at their own level (30–39): item level up to 39, champions 41, uniques 42. The most sockets a white or superior base drops with here.
| Base | Mon | Champ | Uniq | Max |
|---|---|---|---|---|
| Crystal Sword | 4 | 6 | 6 | 6 |
| Flail | 4 | 5 | 5 | 5 |
| Military Pick | 5 | 6 | 6 | 6 |
| Akaran Rondache | – | 4 | 4 | 4 |
| Scythe | 4 | 5 | 5 | 5 |
| Poleaxe | 4 | 5 | 5 | 5 |
| Halberd | 4 | 6 | 6 | 6 |
| War Scythe | 4 | 6 | 6 | 6 |
| Partizan | 4 | 5 | 5 | 5 |
| Battle Scythe | – | 5 | 5 | 5 |
Cham
SocketsItem level 75, champions 77, uniques 78. The most sockets a white or superior base drops with here.The popular runeword bases drop here with all their sockets.
Zod
SocketsItem level 83, champions 85, uniques 86. The most sockets a white or superior base drops with here.
| Base | Mon | Champ | Uniq | Max |
|---|---|---|---|---|
| Berserker Axe | – | 6 | 6 | 6 |
| Archon Plate | – | 4 | 4 | 4 |
| Great Poleaxe | – | 6 | 6 | 6 |
| Giant Thresher | – | 6 | 6 | 6 |