Enshrouded Flame Altar Upgrades — Expand Your Build Volume
Flame Altar upgrade levels in Enshrouded: the 40m to 160m volume ladder, what each level costs, and how Shroud Cores and Shroud Nexuses are obtained.
FAQ
How big can a Flame Altar get?
What do altar upgrades cost?
Does upgrading an altar move it?
Two different upgrades happen at a Flame Altar, and players mix them up constantly: Upgrade Altar (build volume) and Strengthen the Flame (world progression). This page covers the first; the flame altar levels page covers the second.
The volume ladder
| Altar level | Build volume | Cost | Flame requirement |
|---|---|---|---|
| 1 | 40m × 40m × 40m | 5 Stone to place | None |
| 2 | 80m × 80m × 80m | 1 Shroud Core | Flame level 1 |
| 3 | 120m × 120m × 120m | 5 Shroud Cores | Flame level 2 |
| 4 | 160m × 160m × 160m | 5 Shroud Nexus | Flame level 3 |
The volume is a cube, not a circle — height counts. Towers, cellars, and waterworks all draw from the same budget.
Where the materials come from
- Shroud Cores — earned from Shroud Roots and boss encounters in Shroud zones. Early cores come naturally from clearing your first roots
- Shroud Nexus — a higher-tier drop from deeper Shroud content, gated behind mid-game progression
Neither is bought from a vendor; both are earned by playing in the Shroud, which is the game’s way of tying your base’s ambition to your exploration.
When to upgrade
- Level 2 early — one Shroud Core is cheap and doubles every dimension of your base
- Level 3 when walls get tight — the five-core cost is a real decision; spend it when the 80m cube actually constrains you
- Level 4 for showcase builds — 160m is a town, not a house; most functional bases never need it
Remember that a newly placed altar starts at level 1 — upgrading is per-altar, so your main base deserves the investment, not every outpost.
Related guides
Sources: official wiki Flame Altar entry (upgrade table, costs, requirements). Last verified 2026-10-22 for v1.0.
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