Diablo 2 Pandemonium Event Guide

The main story in Diablo 2 is not all that game has to offer. There are also additional events that are much more difficult than original content, The Pandemonium event is one of them. In this Diablo 2 Pandemonium Event Guide you will learn how to access Pandemonium Event, where to get d2 keys, organs, what is Uber Tristram and so on. Note that all information here fits both Diablo 2 and Diablo 2 Resurrected, there is only one difference between these two versions of the game. In Diablo 2 Pandemonium Event can be done only on the Battle.net realms and is not functional in Single Player or LAN games. But in Diablo 2 Resurrected you can do Pandemonium Event in Single Player as well.

Before we start make sure that you have the Horadric Cube. We know, that by the time you are ready to complete Pandemonium Event you’ll know the game perfectly, but still it is important to remember that Horadric Cube is a must to activate the ports that we will talk about below. In case, you have lost your Horadric Cube you can read how to re-obtain it in Diablo 2 Horadric Cube Recipes post.

The Pandemonium event is a massive battle against empowered versions of Diablo, Baal, and Mephisto, along with the minions they summon, in a new version of the town Tristram – Uber Tristram. It is one of the hardest battles in Diablo 2 and you will need to prepare for it. The reward is the Hellfire Torch unique large charm.

There are several steps you must complete in order to reach Uber Tristram.

  • Keys
  • Organs
  • Uber Tristram
  • Rewards

Actually, only the first two are required to reach Uber Tristram, but in the list, you can see the whole idea of Pandemonium Event in general.

D2 Keys

To enter Uber Tristram you’ll need to collect organs from three powerful bosses. But to reach them you’ll need d2 keys that lead one of three realms guarded by one of the bosses you need. There are three keys in D2: The Key of Hate, The Key of Terror, and The Key of Destruction. All of the open red ports to the required bosses. Note that you can do it only on Hell difficulty. The keys look identical, and can only be discerned between by hovering on them to see their name. It’s a good idea to have 3 of each key before beginning the second stage of the Pandemonium Event, so you can do all three of the special areas in the same game. The same area will not repeat in the same game, so you’ll have all 3 ingredients for Uber Tristram faster.

Below you can see how to obtain each of d2 keys:

  • Key of Terror
    • It is dropped by The Countess, who is located on the fifth level of the Forgotten Tower in the Black Marsh, Act One.
  • Key of Hate
    • The Summoner drops this one. He’s found at the end of one of the four points of the Arcane Sanctuary, in Act Two.
  • Key of Destruction
    • Nihlathak drops this key, but only on Hell difficulty. He’s found at one end of the four-pointed Halls of Vaught, the lowest of the three Halls levels reached through Anya’s portal in Harrogath, in Act Five.

D2 Organs

Once you have the keys, stand in Harrogath, on Hell difficulty, place one of each in your Horadric Cube and convert them. A red portal will open to one of three locations; the Matron’s Den, the Forgotten Sands, or the Furnace of Pain. Portals will appear randomly, but they don’t repeat in one game. Thus if you have 9 keys, 3 of each type, you can do them all in the same game without repeating.

The Matron’s Den
This level is reminiscent of the Forgotten Tower in layout. Within it you will find Lilith, sometimes referred to as “Uber Andariel.” She looks just like Andariel, the act one quest boss, and uses the same attacks, but to much more effect. Her poison spray is especially dangerous, and characters will want to gear up with heavy poison resistance and some poison antidotes as well.
Lilith drops Diablo’s Horn.

The Forgotten Sands
This level is identical to the Canyon of the Magi, the last waypoint of Act Two. Here you will find Uber Duriel roaming free. He’s a bigger, nastier version of Duriel, the Act Two boss, and is equipped with the same Holy Freeze Aura and other attacks.
Uber Duriel drops Baal’s Eye.

The Furnace of Pain
The third red portal area is the Furnace of Pain, an area identical to the three “Pit” areas reached from the red portals found in the surface areas of Act Five. Here you will find Uber Izual, a beefed-up version of the SuperUnique quest monster Izual, found in the Plains of Despair in Act Four.
Uber Izual drops Mephisto’s Brain.

Uber Tristram

To create a red portal to Uber Tristram, place Diablo’s Horn, Baal’s Eye, and Mephisto’s Brain in the Horadric Cube, and transmute them while standing in Harrogath in a Hell difficulty game. Uber Tristram has the same layout as regular Tristram, though the entry portal appears towards the north of town, rather than in the far eastern corner. Scattered through the centre of town are Uber Mephisto, Uber Baal, and Pandemonium Diablo (so named because Uber Diablo was already used in another bonus event). They are massively harder than their usual act boss selves, boosted by new abilities and much higher hit points, defence, damage, and more. They are also able to summon minions at regular intervals.


The main reward for this event is the Hellfire Torch, a unique large charm that can only be obtained for completing Diablo 2 Pandemonium Event. Like the other unique charms, characters can only hold one of each at a time.

Hellfire Torch
Required Level: 75
5% Chance to cast level 10 Firestorm on attack
+3 to (Random Class) Skill Levels
+10-20 to All Attributes
All Resistances +10-20%
+8 to Light Radius
Level 30 Hydra (10 Charges)

In addition to the Hellfire Torch charm, one Standard of Heroes item drops for each character in the game. These items do not yet have any function, but that might change in some future versions of the game.

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