About UndisturbedBossFights
From ThunderstoreNo raids or new creature spawns interrupt a boss fight. Raids are delayed, not cancelled. The fight itself is unchanged.
UndisturbedBossFights
No raids or new creature spawns interrupt a boss fight.
What changes?
Getting raided in the middle of a boss fight, or having a troll wander in while you dodge Bonemass, isn't a fair challenge, just bad luck. While a boss fight is going on, this mod:
- Delays raids. No raid ("The ground is shaking", "You are being hunted", ...) can start. A raid that was due waits until the fight is over, then the game rolls for it as usual. Raids are delayed, not cancelled, so you get as many as in vanilla.
- Stops new spawns near the fight. No new creatures spawn naturally near the boss or the players fighting it.
The fight itself stays exactly as hard as in vanilla: the boss's own summons and attacks are untouched, creatures that were already there stay, and a raid that was already running when the fight began keeps going.
A boss fight starts when a boss is alerted or has a target and a player is within 60 m of it. It ends 20 seconds after that stops being true (the boss died, or everyone left).
Raids started from the console (randomevent, event) are not held back.
Configuration
Change these in game with F1 (Configuration Manager) or in your mod manager's config editor:
DelayRaids: hold back raids during boss fights (default on).BlockSpawnsNearFight: stop new natural spawns near boss fights (default on).SpawnBlockRadius: how close (in meters) to the boss or a player fighting it a creature may not spawn (default 80). The game spawns creatures 40-80 m from a player, so 80 blocks almost all of them.FightDistance: how close (in meters) a player must be to an alerted boss for it to count as a fight (default 60).DebugLog: writes boss fights, held raids and blocked spawns to the BepInEx log.
Console commands
ubf_status: shows the boss fights the mod sees and when the next raid roll is due.ubf_raidsoon(needsdevcommands): makes the next raid roll due in 10 seconds, to see it wait during a fight.
Multiplayer
Note: Multiplayer and dedicated servers haven't been tested yet. It's built to work there, but if something seems off, please report it on GitHub Issues.
Install it on the server and on every player's game. Raids are decided by the server, and spawns by the player who owns that area, so both need the mod. The server's settings are used for everyone (except DebugLog). The server warns when a player joins without the mod or with a different version.
Raids are held back for the whole world while any boss fight is going on, even for players far from it. They only wait for the fight to end; none are lost.
Feedback and bug reports
Found a bug or have an idea? Open an issue on GitHub. If an enemy or raid does something odd, turn on DebugLog and include the matching lines from BepInEx/LogOutput.log.
Highlights
From source dataLoaders
Runs on BepInEx.
Footprint
Rated a light load on a server.
Last update
Its author last shipped an update today.
UndisturbedBossFights on Nxeon
From our catalogue- One-click install
- Supported on Nxeon Valheim servers, for BepInEx servers. We download it from Thunderstore, place it, and restart the server.
- Server side
- Optional on the server
- Server type needed
- BepInEx
- Server load
- light
- Smallest plan we suggest
- Valheim — 4 GB (4 GB RAM). This follows our own load rating above, not a benchmark.
- Latest build
- 1.0.2, released 2026-11-03
Game versions by loader
| Loader | Game versions | Newest |
|---|---|---|
| BepInEx |
From 3 recorded builds of UndisturbedBossFights.
Recent builds
| Build | Released | Game versions | Loaders |
|---|---|---|---|
| 1.0.2 | 2026-11-03 | n/a | BepInEx |
| 1.0.1 | 2026-11-02 | n/a | BepInEx |
| 1.0.0 | 2026-11-02 | n/a | BepInEx |
Dependencies
- Required: BepInExPack Valheim
Declared by the newest build that lists any. Required ones are installed with it on one-click installs.
Run UndisturbedBossFights on a Valheim server
Pick a server or deploy a new one above; it is installed in one click.
What kind of mod it is
From the catalogQuality of life & UI
Small conveniences, tweaks and interface improvements players notice straight away.
Works on a server
From source side supportThunderstore lists server-side support for UndisturbedBossFights as optional: it can run on a server, but isn’t required there.
Compatibility
- Game
- Valheim
- Loaders
- BepInEx
- Runs on
- Serveroptional on the server
- Requires
- One-click install needs a BepInEx server.
Verified at the source
- ✓ThunderstoreOfficial listing, checked 2026-11-03Open ↗
- ✓Authoraetuss, as published on Thunderstore
- ✓LicenseNot published by the sourceFree




