Searching for West Marches? Different thing. This page is about Westmarch in Blizzard's Diablo 5.
The 30-second version
- Confirmed[B1] news.blizzard.com · verified Oct 9, 2026Sanctuary has fallen; humanity is in ruins.
- Confirmed[B1] news.blizzard.com · verified Oct 9, 2026The game returns to the Western Continent, "at the heart of Diablo's reign of terror."
- Confirmed[B1] news.blizzard.com · verified Oct 9, 2026[T2] warcraft.blizzplanet.com · verified Oct 9, 2026Procedural world in dungeons and the overworld, changing when you return.
- Confirmed[T2] warcraft.blizzplanet.com · verified Oct 6, 2026The team calls it "terror-forming."
- Confirmed[B1] news.blizzard.com · verified Oct 9, 2026No towns and no safe places remain.
What state is Sanctuary in?
It isn't bracing for the apocalypse anymore; it's living through it. Per "Forging the Next Era", humanity lies in ruins and "the Western Continent is at the heart of Diablo's reign of terror." Confirmed[B1] news.blizzard.com · verified Oct 9, 2026
At the panel, Tiffany Wat set the clock: seven years since Diablo conquered Sanctuary. Jennifer Brandes Hepler added that, after Mephisto's defeat, there had been a golden age when Sanctuary was better off than ever. Confirmed[T2] warcraft.blizzplanet.com · verified Oct 6, 2026 → Sanctuary in Diablo 5 · Westmarch in Diablo 5
| Place | What it is in Diablo 5 | Status |
|---|---|---|
| Sanctuary | The series' world, conquered by Diablo | Confirmed[B1] news.blizzard.com · verified Oct 9, 2026 |
| Western Continent | The heart of Diablo's reign; "essentially greater Westmarch" | Confirmed[B1] news.blizzard.com · verified Oct 9, 2026[T2] warcraft.blizzplanet.com · verified Oct 9, 2026 |
| Westmarch | Your lost kingdom: scorched, an outpost of Hell, and Diablo's throne | Confirmed[B1] news.blizzard.com · verified Oct 9, 2026 |
| terror realm | Diablo's own corner of Hell, where the story begins | Confirmed[T2] warcraft.blizzplanet.com · verified Oct 6, 2026 |
| the Heavens | Diablo's next target; indifferent to Sanctuary | Confirmed[B1] news.blizzard.com · verified Oct 9, 2026[T2] warcraft.blizzplanet.com · verified Oct 9, 2026 |
Why does the world change?
Because Diablo is actively reshaping it through terror. Blizzard turns that into a mechanic: "a procedural landscape where terrain, points of interest, monsters, and reward can change when you return." Confirmed[B1] news.blizzard.com · verified Oct 9, 2026
On stage, Tiffany Wat used the team's pun for it, "terror-forming," a nod to terraforming. Procedural generation returns "both in the dungeons and the overworld." Confirmed[T2] warcraft.blizzplanet.com · verified Oct 6, 2026
| Fact | Status |
|---|---|
| Terrain, points of interest, monsters and rewards can change on return | Confirmed[B1] news.blizzard.com · verified Oct 9, 2026 |
| Procedural in both dungeons and the overworld | Confirmed[T2] warcraft.blizzplanet.com · verified Oct 6, 2026 |
| What you learn on one visit (paths, landmarks, how to fight elites) won't hold next time | Confirmed[T2] warcraft.blizzplanet.com · verified Oct 6, 2026 |
| Fog of war: "beyond the fog of war are more questions" | Confirmed[T2] warcraft.blizzplanet.com · verified Oct 6, 2026 |
| An area's map varies with the commander stationed there (paraphrase) | Interview[T3] playday.one · verified Oct 6, 2026 |
| To avoid repetition, "we're going to build a lot of content"; each zone keeps an identity | Interview[T3] playday.one · verified Oct 6, 2026 |
| Motivation: in Diablo IV, uncovering the map was "one and done" (paraphrase) | Interview[T3] playday.one · verified Oct 6, 2026 |
| There will be a map overlay at launch (paraphrase) | Interview[T3] playday.one · verified Oct 6, 2026 |
Who are the Dread Commanders?
Powerful humans corrupted and raised to rival the powers of Hell. Alongside Diablo, they reshape the land, and each one has its own look and a visual theme it stamps on the areas it controls. Confirmed[B1] news.blizzard.com · verified Oct 9, 2026[T2] warcraft.blizzplanet.com · verified Oct 9, 2026
How many there are, their names and whether they're bosses: unknown. → The Dread Commanders
How does the art tell the story?
Senior art director John Mueller described three "visual stories" on stage. Confirmed[T2] warcraft.blizzplanet.com · verified Oct 6, 2026
Three stories in the art

Concept art · not final · © Blizzard Entertainment

Concept art · not final · © Blizzard Entertainment

Concept art · not final · © Blizzard Entertainment
| Story | What it shows | Status |
|---|---|---|
| Past | What was lost: ruins, "life after people" | Confirmed[T2] warcraft.blizzplanet.com · verified Oct 6, 2026 |
| Present | Where the commanders have already been, like after a forest fire: strange and dark | Confirmed[T2] warcraft.blizzplanet.com · verified Oct 6, 2026 |
| Future | What you must stop: Hell breaking through, each commander with its own visual theme | Confirmed[T2] warcraft.blizzplanet.com · verified Oct 6, 2026 |
Blizzard's article frames it the same way: ruins tell what was lost, "its corruption reveals Diablo's present rule," and Hell hints at what comes next. Confirmed[B1] news.blizzard.com · verified Oct 9, 2026
Where do you live without towns?
On the move. The towns are destroyed; your only shelter is the caravan of survivors traveling with you, and every stop opens a new area. → The Diablo 5 caravan Confirmed[B1] news.blizzard.com · verified Oct 9, 2026[T2] warcraft.blizzplanet.com · verified Oct 9, 2026
What we don't know yet
As of October 9, 2026, Blizzard has not said:
- how much the world changes: everything, or only parts;
- whether there are fixed areas;
- how the procedural world ties into the campaign and the endgame;
- how it works in multiplayer;
- specific regions, bosses or enemies;
- how many commanders there are and which region each controls.
We'll cover Sanctuary's and Westmarch's history in earlier games once we have an official Blizzard source.
Sources
- Blizzard: Diablo V: Forging the Next Era (Sept. 12, 2026). Tier 1. Checked Oct. 9, 2026.
- Official Diablo channel: "Forging the Next Era" panel (Sept. 12, 2026). Tier 1.
- Blizzplanet: panel transcript. Tier 2.
- PlayDay: group interview with the team (Sept. 15, 2026). Tier 3, interview.
FAQ
Is Diablo 5 open world?
It has an overworld and dungeons, and both are procedural: terrain, points of interest, monsters and rewards can change when you return.
What is "terror-forming" in Diablo 5?
The team's tongue-in-cheek name for how Diablo and his commanders reshape Sanctuary through terror. It is why the world changes.
Confirmed[T2] warcraft.blizzplanet.com · verified Oct 9, 2026
Where is Diablo 5 set?
In Sanctuary, on the Western Continent, which Joe Shely calls "essentially greater Westmarch." Diablo rules from the throne of Westmarch.
Are there towns in the Diablo 5 world?
No. They were destroyed; your shelter is the caravan.
Will the map always be the same?
No. What you learn on one visit (paths, landmarks, how to fight elites) won't hold on the next.
Confirmed[T2] warcraft.blizzplanet.com · verified Oct 9, 2026
Changelog
- 2026-10-09: first version.
- 2026-10-10: links to the new Sanctuary, Westmarch, procedural world, Dread Commanders and terror realm pages;
linkTermssplit with those pages. No data changes.