Diablo 4 Season 15 introduces a hidden endgame challenge inspired by the classic Diablo 2 Uber Tristram event. By unlocking Echo of Tristram and defeating the Uber Prime Evils, players can obtain the powerful Hellfire Torch Mythic Charm along with other valuable rewards.
This guide explains how to unlock Uber Tristram step by step, collect the required materials, open the red Mythic Portal, and prepare for the fight against the Uber Prime Evils.
Key Takeaways
- Uber Tristram is a secret endgame encounter in Echo of Tristram, where you face Uber versions of Diablo, Baal and Mephisto together.
- The core reward is the Hellfire TorchMythic CharmCore reward from the Uber Prime EvilsUniversal skill bonuses and full elemental resistancesExpanded unique charm slots, flexible set build synergies, one of the most powerful unique items added in Season 15.
- The unlock starts with the Deckard Cain storyline: collect all 10 Deckard Cain’s Journals and complete Deckard’s Journey to enter Old Tristram.
- The most reliable source of the Terror, Destruction and Hatred Prime Evil Splinters is Torment 10 Diablo, Baal and Mephisto. Combine all three in the Horadric Cube to craft Wirt’s Lucky Coins.
- Before opening the portal, disable Cross-Network Play and check the fountain: red water means another player has already activated the portal, and your Wirt’s Lucky Coins may be wasted.
What Is Uber Tristram in Diablo 4 Season 15
Uber Tristram is a secret endgame encounter where players enter Echo of TristramReached through a red portal marked with six question marksFace Diablo, Baal and Mephisto togetherYou can teleport back to town to repair your equipment to challenge three Uber versions of the Prime Evils: Diablo, Baal, and Mephisto.
Inspired by the classic Diablo 2 event, this encounter is designed for well-prepared characters with optimized builds, strong gear, and enough survivability to handle multiple powerful bosses at the same time.
Uber Tristram’s Rewards
Uber Prime Evils can reward some of the most valuable items. These include:
- Mythic Items
- Hellfire Torch
Hellfire Torch is the core reward, which is one of the most powerful unique items added in D4 Season 15. It delivers universal skill bonuses, full elemental resistances, expanded unique charm slots, and flexible set build synergies. This farm has quickly become the meta endgame grind for players chasing perfect mythic gear and build diversity.
However, the fight requires serious preparation because the encounter is not easily repeatable.
How to Unlock Uber Tristram Step by Step
1. Unlock Access to Old Tristram
The first step to unlocking Uber Tristram is completing the Deckard Cain storyline. Players must collect all 10 Deckard Cain’s JournalsScattered across Sanctuary, in different regionsA cyan marker appears on the map when you get closeAll 10 unlock the Deckard’s Journey quest scattered across Sanctuary.
These journals are hidden in different regions, and a cyan marker will appear on the map when you get close.
For all journal locations and a detailed guide to unlocking Old Tristram, check our Deckard Cain Journal Locations Guide.
After collecting all 10 journals, a new quest called Deckard’s Journey will become available. Return to the Imperial LibraryIn KehjistanSpeak with Deckard Cain here to complete Deckard’s JourneyGo here to enter the portal to Deckard’s Memory in Kehjistan and speak with Deckard Cain to complete the quest.
A portal to Deckard’s Memory will then appear, allowing you to enter Old Tristram and continue preparing for Uber Tristram.
2. Collect Prime Evil Splinters
To open the final red Mythic Portal, you need three types of Season 15 crafting materials: Terror, Destruction, and Hatred Prime Evil SplintersSeason 15 crafting materialsThree types: Terror, Destruction and HatredMost reliable source: Torment 10 Diablo, Baal and MephistoAround 10 kills on average for one Splinter.
These rare Splinters can drop from open-world activities, Tree of Whispers rewards, and seasonal caches. The most reliable farming method is defeating the Torment 10 versions of Diablo, Baal, and Mephisto encounters.
Each boss can drop all three Splinter types, with around 10 kills needed on average for one Splinter.
Tip: Among the three bosses, Baal offers the fastest farming route, with runs taking about 2–3 minutes for well-prepared builds.
3. Create Wirt’s Lucky Coins
Once players collect all three Prime Evil Splinters, combine the materials in the Horadric Cube to craft Wirt’s Lucky CoinsCrafted in the Horadric Cube from all three Prime Evil SplintersKey item for the Uber Tristram fightCould be wasted if another player opens the portal first, the exclusive key item for the pinnacle boss fight.
4. Disable Cross-Network Play Before Opening the Portal
Before opening the Uber Tristram portal, disable Cross-Network Play in your settings.
Warning: This step helps avoid a current portal activation bug. If another player opens the portal first in the same instance, your portal may fail to appear, and your Wirt’s Lucky Coins could be wasted.
5. Open the Uber Tristram Portal
After disabling Cross-Network Play:
- Go to the Imperial Library.
- Enter the portal to Deckard’s Memory and return to Tristram.
- Find Deckard Cain near the fountain.
- Check the fountain before interacting with it.
- Normal water color: The portal can still be activated.
- Red water: Another player has already activated the portal, and your Wirt’s Lucky Coins may be wasted.
If the fountain is normal, interact with it to open a red portal marked with six question marks. Enter the portal to reach Echo of Tristram.
Uber Prime Evil Boss Mechanics
Inside Echo of Tristram, you will face three Uber Prime Evils together: Diablo, Baal, and Mephisto.
Unlike normal boss encounters, this fight combines the abilities of all three Prime Evils at the same time:
- Diablo applies heavy Fire damage and area attacks.
- Baal creates constant pressure with ranged abilities.
- Mephisto uses dangerous damage-over-time effects.
Tip: The key to success is maintaining mobility, avoiding overlapping attacks, and preparing enough damage reduction, resistance, and healing before entering the fight.
Note: Inside Echo of Tristram, you can teleport back to town to repair your equipment; however, if you leave through the red portal or teleport somewhere else while in town, the portal will close.
Gearing up for the Uber Prime Evils? This encounter is designed for well-prepared characters with optimized builds, strong gear and enough survivability. If your build still needs upgrades before you enter Echo of Tristram, you can browse our Diablo 4 items.
Buy Diablo 4 ItemsFAQ
What is Uber Tristram in Diablo 4 Season 15?
Uber Tristram is a secret endgame encounter inspired by the classic Diablo 2 Uber Tristram event. Players enter Echo of Tristram to challenge three Uber versions of the Prime Evils, Diablo, Baal and Mephisto, all at the same time.
How do you unlock Uber Tristram in Diablo 4?
Collect all 10 Deckard Cain’s Journals, then complete Deckard’s Journey at the Imperial Library to unlock Old Tristram. Combine the Terror, Destruction and Hatred Prime Evil Splinters in the Horadric Cube to craft Wirt’s Lucky Coins. Then disable Cross-Network Play, return to Tristram through the portal to Deckard’s Memory and, if the fountain’s water is a normal color, interact with it to open the red portal.
How do you get the Hellfire Torch in Diablo 4?
The Hellfire Torch Mythic Charm is the core reward for defeating the Uber Prime Evils in Echo of Tristram. It delivers universal skill bonuses, full elemental resistances, expanded unique charm slots and flexible set build synergies.
How do you farm Prime Evil Splinters in Season 15?
The most reliable method is defeating the Torment 10 versions of Diablo, Baal and Mephisto: each boss can drop all three Splinter types, with around 10 kills needed on average for one Splinter. Baal offers the fastest route, at about 2–3 minutes per run for well-prepared builds. Splinters can also drop from open-world activities, Tree of Whispers rewards and seasonal caches.
Why should you disable Cross-Network Play before opening the portal?
It helps avoid a current portal activation bug: if another player opens the portal first in the same instance, your portal may fail to appear and your Wirt’s Lucky Coins could be wasted. Check the fountain before interacting with it, because red water means another player has already activated the portal.
Can you leave Echo of Tristram to repair your gear?
Yes. You can teleport back to town to repair your equipment, but if you leave through the red portal or teleport somewhere else while in town, the portal will close.
