TL;DR
- Your starting building area is 40×40×40 meters — small for anything beyond a starter base.
- To increase it, interact with your Flame Altar and select Upgrade Altar.
- Each upgrade costs Shroud Cores — the max building area is 160×160×160 meters at Level 4.
- Area upgrades apply per altar, not globally — each Flame Altar needs its own upgrade.
- Place multiple overlapping Flame Altars to create one massive connected building zone.
- Shroud Cores drop from Fell bosses or can be crafted at the Alchemist using Shroud Spores and Shroud Liquid.
Why Your Building Area Feels Too Small in Enshrouded
You place your first Flame Altar, build a small shelter, add a Workbench, and then a Blacksmith station. Suddenly the space feels crowded. Throw in a Carpenter, a Hunter, more storage chests, and a crafting area — and that 40×40×40 meter cube starts feeling very tight, very fast.
This is one of those things Enshrouded doesn’t explain well upfront. A lot of players spend time trying to squeeze more into an area that simply can’t hold what they need. The good news is that expanding it is straightforward — you just need to know where to look.
This guide covers everything: how the upgrade system works, what each tier costs, how to get the materials, and how to think about expansion when one altar isn’t enough anymore.
How Building Area Works in Enshrouded
Every Flame Altar in Enshrouded creates a protected cube-shaped zone around it. Inside that zone, you can place structures, stations, and decorations, and they stay permanently. Outside of it, any terrain changes or placed objects reset after about 30 minutes or on a server restart.
The Flame Altar has two completely separate upgrade tracks. A lot of players confuse these, so it’s worth being clear about the difference:
- Upgrade Altar — This increases your building area. Bigger zone, more room to build. This is what you want when you’re running out of space.
- Strengthen the Flame — This upgrades your Flame Level, which extends your Shroud timer, boosts your stats, and lets you activate more Flame Altars across the map. This does not make your building area bigger.
These are two different buttons in the Flame Altar menu. Many players accidentally dump resources into Strengthen the Flame when what they actually want is more build space. Don’t make that mistake — check which button you’re selecting.
How to Upgrade Altar and Increase Building Range in Enshrouded
The process is simple once you know where it is:
- Walk up to your Flame Altar and interact with it.
- In the menu that opens, select Upgrade Altar — the game describes it as “Extend its building range.”
- The upgrade panel shows you what it costs and what the new building area will be.
- If you have the required Shroud Cores, confirm the upgrade.
That’s it. The building area expands instantly around the altar. No cooldown, no waiting — just the cost in Shroud Cores and you’re done.
All Building Area Upgrade Tiers in Enshrouded
There are 4 levels of building area for each Flame Altar. Each one adds 40 meters in every direction — width, length, and height. Here’s how it breaks down:
- Level 1 (Default) — 40×40×40 meters. This is what you start with. Fine for the very early game, not much else.
- Level 2 — 80×80×80 meters. Costs 1 Shroud Core. A significant jump. This is the first upgrade you should prioritize.
- Level 3 — 120×120×120 meters. Costs 5 Shroud Cores. Plenty of room for a full mid-game base with all NPC stations.
- Level 4 — 160×160×160 meters. Costs 5 Shroud Nexus. The maximum building area. Enough for a serious late-game build or a large shared base.
The first upgrade costs just one Shroud Core and nearly doubles your space. Do that one as soon as you kill your first boss. The jump from Level 1 to Level 2 alone solves most early space problems.
How to Get Shroud Cores for Building Upgrades
Shroud Cores are the main material you need for the first three upgrade tiers. There are two ways to get them.
Drop From Fell Bosses and Elites
Every Fell boss and elite enemy drops at least one Shroud Core on death. The Fell Thunderbrute — your first major boss encounter — drops one guaranteed Shroud Core. That’s enough to get your first altar upgrade immediately after clearing the Elixir Well quest.
As you progress and fight more elite enemies across Elixir Wells and Points of Interest, Shroud Cores will accumulate. Each time you clear an Elixir Well, expect at least one core from the boss inside.
Craft Them at the Alchemist
Once you rescue the Alchemist NPC and bring them back to your base, you unlock the ability to craft Shroud Cores on demand. The recipe is:
- 10x Shroud Spores
- 10x Shroud Liquid
- Crafted at the Alchemist station — yields 1 Shroud Core per craft
Shroud Spores drop from Fell enemies inside the Shroud — the standard enemies you fight while exploring shrouded zones. Shroud Liquid comes from small plants growing beneath the fog in Shroud areas, particularly in Springlands and Revelwood. Both are farmable and respawn, making this the most reliable method once the Alchemist is active.
This crafting route is the better long-term solution. Boss drops slow down once you’ve cleared the main Elixir Wells. With the Alchemist set up, you can farm Shroud Cores in bulk whenever you need them.
Important: Area Upgrades Apply Per Altar, Not Globally
This trips up a lot of players. When you upgrade a Flame Altar’s building area, only that specific altar gets bigger. Every other Flame Altar you place around the map starts at Level 1 — the default 40×40×40 meters.
Strengthening the Flame, on the other hand, is global. Raise the Flame Level on any altar and the benefits apply everywhere. But building area? That’s altar-specific. Every altar you want to be large needs to be upgraded individually.
This matters when you’re planning outposts or secondary bases. If you drop a Flame Altar near a resource field just to use as a fast travel point, you don’t need to upgrade its area — a Level 1 altar is fine for that. Save your Shroud Cores for the altars where you actually intend to build.
How to Expand Beyond One Altar’s Building Area
Even a fully upgraded Level 4 altar (160×160×160) has limits if you’re planning a really large build — a castle, a full village, or a sprawling base with dedicated zones for everything. The solution is multiple overlapping Flame Altars.
Here’s how it works:
- Place a second Flame Altar close enough that its building zone overlaps with your existing altar’s zone.
- The two zones merge into one connected building area.
- Build across both zones without any gaps — structures in the middle of the overlap belong to both protected areas.
- Upgrade each altar individually to make both zones as large as needed.
One important thing to note: if there’s a gap between altar zones, they don’t connect. You’ll have two separate bubbles and anything built between them will reset. Make sure the zones actually touch and overlap before you start building across them.
You can chain multiple altars this way for truly massive builds. The maximum number of active Flame Altars you can have in a single world is 10, unlocked progressively as you raise your Flame Level.
Strengthen the Flame vs Upgrade Altar — What’s the Difference?
Since this confuses so many players, here’s a clear breakdown of what each track actually does:
- Upgrade Altar — Makes the building area of that specific altar bigger. Costs Shroud Cores (and Shroud Nexus at Level 4). No global effect. Does this for one altar at a time.
- Strengthen the Flame — Raises your global Flame Level. Extends your Shroud timer, gives attribute bonuses, increases Shroud Passage Level so you can enter deeper shroud zones, and unlocks more Flame Altar slots. Does not change building area. Costs various materials like Sparks, Iron Ore, Sulfur, and more as it progresses through 9 total levels.
Both matter. But if building space is your immediate problem, Upgrade Altar is the button you want.
Can You Move a Flame Altar After Upgrading It?
No — you can’t pick up and reposition a Flame Altar. If you need to move one, you have to extinguish it (which destroys it) and place a new one elsewhere. The upgrade levels are tied to the altar itself, so if you destroy an upgraded altar, those upgrades are gone.
A few things to keep in mind if you’re relocating:
- Place the new altar before destroying the old one, so its zone overlaps and protects your structures during the transition.
- Any structures inside the old altar’s zone will remain for a short time after it’s removed, but they’ll reset if you log out or the server restarts.
- Re-upgrading the new altar only costs Shroud Cores again — which are farmable and not that hard to get once the Alchemist is unlocked.
Tips to Make the Most of Your Building Area
A few practical habits that help you get more out of every altar upgrade:
- Upgrade to Level 2 as soon as you can. One Shroud Core after your first boss kill. The difference is enormous and you’ll wonder how you managed before.
- Place your altar in the center of where you want to build. The zone extends equally in all directions. A corner placement wastes half your space.
- Don’t place your altar too close to the Shroud boundary. At Level 4, the zone is 160 meters wide. If it reaches into the Shroud, that area stays shrouded inside your base — enemies won’t respawn there, but the fog stays.
- Save Shroud Nexus for Level 4. It’s a late-game material. Don’t rush the Level 4 upgrade until you actually have building plans that need that much space.
- Use the Alchemist to farm cores reliably. Once you have the Alchemist set up, you don’t need to worry about running out of Shroud Cores for upgrades.
- Secondary altars don’t need big areas. If an altar is just a fast travel pin or an outpost with one station, leave it at Level 1. Save your Shroud Cores for the main build area.
Building Area and Your Base’s Other Upgrades
Expanding your building range is just one part of improving your base in Enshrouded. Strengthening the Flame is equally important — it’s what lets you survive longer in the Shroud, enter harder areas, and unlock more Flame Altar slots for outposts across the map.
Think of them as parallel goals. Upgrade the area when you need more space to build. Strengthen the Flame when you need to push into the next biome or access tougher content. Both feed into each other — more Flame Level means more Shroud timer, which means more time to farm Shroud Cores for area upgrades.
If you’re still getting your early game sorted, make sure your gear is in good shape before you push into harder zones for Shroud Core farming. Check out our guide on how to repair equipment and weapons in Enshrouded to keep your tools from breaking mid-run. And if you haven’t picked up a Glider yet, our Enshrouded Glider guide will help you move across the map a lot faster when hunting for resources.
Enshrouded is available on Steam for PC and on PlayStation. If you’re not sure your rig can handle it, take a look at our Enshrouded PC Requirements before you dive in.
Final Thoughts on Increasing Building Range in Enshrouded
Running out of building space is frustrating — especially when you don’t know the solution is sitting right inside the Flame Altar menu. One Shroud Core and a button press almost doubles your available area. That’s the whole fix for most early and mid-game space problems.
Push toward Level 2 right after your first boss kill. Rescue the Alchemist to keep your Shroud Core supply steady. And when you outgrow a single altar, chain a second one alongside it with overlapping zones. With a bit of planning, you’ll have all the room you need for whatever build you’re working toward.
