The Blood Moon Horde in 7 Days to Die is not a single boss fight, but a predictable stress test for your base, supplies, and server configuration. If you prepare a clear fighting position, repair materials, ammunition, and a controlled zombie path before day 7, you will survive more reliably and afterwards see which parts of your defense really hold up.
What the Blood Moon Means
By default, the Blood Moon Horde appears every 7 in-game days. The zombies attack you directly, damage blocks, and put pressure on your base. On a multiplayer server, the practical difficulty also increases because multiple players can create more spawn pressure and the horde demands attention for longer.
For dedicated servers, the Blood Moon values in serverconfig.xml are relevant. The official 7 Days to Die Wiki documentation for server configuration describes BloodMoonFrequency as the frequency in days and also states that BloodMoonEnemyCount limits the simultaneously alive zombies per player during the Blood Moon Horde, while MaxSpawnedZombies can override this number in multiplayer: Documentation at 7daystodie.wiki.gg
If you are generally planning your own server, the additional Rent and Set Up a 7 Days to Die Server Guide fits well. For groups that also run other survival co-op games in parallel, the Rent and Set Up a Valheim Server Co-op Guide is also useful.
Preparation Before the First Horde
Day 1-3: Basics
In the first few days, availability matters more than perfection. You need tools, a working melee or ranged weapon, food, water, bandages or other healing, and enough wood, stone, clay, and iron. A first base in a POI often makes sense for beginners because walls, height, and room structure are already available.
It is important to mentally separate your home base from your horde base. Your storage chests, workbenches, and valuable resources should not be exactly where zombies tear blocks apart during the Blood Moon night. If you use only one base, at least secure a fallback room and keep repair materials within reach.
Day 4-6: Expanding the Base
Now you strengthen the critical building parts. The original progression remains correct: Cobblestone is a good early goal, Concrete follows later. Focus first on load-bearing blocks, stairs, doors, the fighting platform, and the blocks zombies are likely to hit. A large base with weak walls is riskier than a small, clear structure with a reinforced zombie path.
Do not place traps randomly around the whole base. Spikes, electric traps, and later active traps work better when zombies run through a corridor, ramp, or choke point. This lets you repair more precisely and waste less material.
Day 7: Blood Moon Night
Shortly before it starts, all traps should be active, weapons loaded, and repair materials in place. Bring not only ammunition, but also spare tools, healing, food, water, and blocks for emergency repairs. A backup plan is mandatory: a ladder, second exit, or protected jump route prevents a single structural break from ending the run.
Base Designs
| Design | Difficulty | Effectiveness |
|---|---|---|
| Hatch Base | Easy | High early on |
| Tower Base | Medium | Good against hordes |
| Corridor Base | Medium | Trap-based |
| Underground | Hard | Very effective |
A Hatch Base is popular for early Blood Moons because it stops zombies at a controlled point. A Tower Base uses height, but needs stable supports. A Corridor Base scales well with traps, but requires clean pathing. Underground bases can work, but they are harder for inexperienced players to judge because paths, digging behavior, and repair access can quickly become confusing.
Trap Guide
Simple:
- Wood Spikes (cheap, weak)
- Iron Spikes (standard)
Advanced:
- Blade Trap (very effective)
- Electric Fence (slows down)
- Dart Trap (ranged combat)
- SMG Turret (automatic)
Wood Spikes are cheap, but they are not a substitute for a stable base. Iron Spikes hold up better, but must be checked after the night. Electric Fence is especially useful if you want to slow zombies down and hit them precisely. Blade Traps, Dart Traps, and SMG Turrets need the right resources, power or ammunition, and should be installed so you can maintain them without standing directly in the horde.
Server Settings for Blood Moon
<property name="BloodMoonFrequency" value="7"/>
<property name="BloodMoonRange" value="0"/>
<property name="BloodMoonWarning" value="8"/>
<property name="BloodMoonEnemyCount" value="8"/>
These values form an easy-to-understand default baseline: every 7 days, no random deviation, warning from hour 8, and 8 simultaneously alive Blood Moon zombies per player, as long as no other limits apply. Always change only a few values at once and document them so that after a difficult night you know which setting made the difference.
On a rented game-serverhosting server, the advantage is not a magical balance preset, but controllable operation: you can deliberately set configurations, track changes, and contact support with clear details about version, file, and time if problems occur.
Checking the Result
After the Blood Moon, you should not immediately return to your daily routine. First check which blocks were nearly destroyed, whether zombies deviated from the planned path, how much ammunition was used, and whether someone on the team had to do nothing but repair the whole time. If the horde was survived, but a single block break would have put everything at risk, the base is not stable enough for the next stage yet.
Troubleshooting
Zombies Attack Unexpected Walls
Usually the intended path is blocked, too expensive, or unattractive from the AI's point of view. Check doors, hatches, ramps, and jump points. A clear, reachable path to the fighting position reduces uncontrolled wall attacks.
The Horde Feels Too Strong
Do not reflexively lower all difficulty values. First check repair materials, base shape, player positions, and ammunition stock. If you adjust server values, start with BloodMoonEnemyCount or a longer preparation time via BloodMoonFrequency.
Traps Barely Help
Traps only work where zombies reliably move along. Build choke points, prevent alternative routes, and place maintenance access. A trap that you cannot repair during or after the night is only useful in the short term.
The Server Stutters During the Blood Moon
Many zombies, turrets, traps, fire, and several players can create load. Check whether BloodMoonEnemyCount and global spawn limits fit together. Do not increase values blindly, especially not on active multiplayer servers.
Checks, Limits, and a Safe Way Back
The guide “7 Days to Die Blood Moon Guide – Survival and Preparation” applies to the server type described in the article and the version status visible at the time of checking. Menu names, available versions, mod or plugin compatibility, and required resources may differ after updates. Therefore, do not transfer any values to another game, loader, or server version without checking them first.
Before making changes to the world, savegame, configuration, or extensions, create a backup of the affected files. Then change only one related step and test it with the same client and server version you later want to play with.
| Checkpoint | Expected Result | Abort and Rollback |
|---|---|---|
| Server start | The server reaches the ready-to-use state without a new error message. | If startup errors occur, revert the change and restore the latest backup. |
| Connection test | A test account can connect through the address shown in the panel. | If version or connection errors occur, compare version, port, and permissions again. |
| Function test | The specifically changed function works without damaging existing world or game data. | If side effects occur, stop the server and restore the backed-up files. |
A successful single test is not a performance or availability guarantee. World size, mods, plugins, player count, network route, and simultaneous load can change the result. Document the version, change, and test result so you can understand later deviations.
FAQ
When Does the Blood Moon Come in 7 Days to Die?
By default, it comes every 7 in-game days. On servers, this rhythm can be changed via BloodMoonFrequency.
Should I Fight in My Home Base?
That is risky for beginners. A separate horde base protects storage, workbenches, and valuable resources from unnecessary damage.
Which Trap Makes the Most Sense at the Start?
Early on, Wood Spikes and Iron Spikes are realistic. Later, Electric Fence, Blade Trap, Dart Trap, and Turrets become stronger, but they require more planning and resources.
What Should I Prepare Right Before the Horde?
Ammunition, repair materials, healing, food, water, spare tools, and some blocks for emergency repairs belong directly at the fighting position.
Which Server Values Are Important for Blood Moon?
Especially BloodMoonFrequency, BloodMoonRange, BloodMoonWarning, and BloodMoonEnemyCount. In multiplayer, additional spawn limits can influence how many zombies are actually active at the same time.