Fimbulwinter - A Veteran's Valheim Overhaul

Valheim was never this dangerous. 103 mods of starred monsters, enchanted loot, and blood-earned mastery — built for players who think vanilla is too easy.

Fimbulwinter is a curated overhaul modpack for veteran multiplayer crews. CLLC difficulty scaling turns every biome into a gauntlet of starred creatures, Epic Loot fills the world with enchantable gear worth chasing, and the full Therzie suite (Warfare, Armory, Monstrum, Wizardry) hands you the arsenal to survive it — backed by new creatures, world locations, seasons, ships, and mounts, all wrapped in a polished QoL and UI layer so none of it gets in your way. Every mod is verified non-deprecated against Thunderstore.

Design Principles

• Preserve the Spirit of Valheim — No teleport-cheese (ore transport carries a 10% tax), no game-breaking shortcuts. Progression still requires biome exploration and earned power.
• Reward Skill & Mastery — Harder than vanilla from the Meadows onward: starred creatures, elemental infusions, tuned raids.
• Depth Over Breadth — Quality content that extends the game's systems, not kitchen-sink bloat.
• Multiplayer-First — Every mod works on dedicated servers, with server-enforced config sync.
• Actively Maintained — Every mod verified current against Thunderstore; no deprecated or abandoned mods.

What's Included

Core & Frameworks (6 mods)

• BepInExPack_Valheim — Mod loader
• Jotunn — Modding framework
• JsonDotNET / YamlDotNet — Shared libraries
• ConfigurationManager (shudnal) — In-game config editing (F3)
• ConditionalConfigSync — Server-enforced config ownership and sync policies

Difficulty & Loot Core (7 mods)

• Creature Level and Loot Control — Starred creatures (up to 5), per-player difficulty scaling, world levels
• Epic Loot — Magic item drops, enchanting, bounties, and gambling
• EpicLoot_Therzie — Bridge patches so Therzie gear rolls Epic Loot magic
• Custom Raids — Tuned raid tables with custom events
• Drop That / Spawn That / This Goes Here — Loot-table and spawner control

Weapons, Armor & Magic (7 mods)

• Warfare + Warfare Fire and Ice — Massive weapon/shield expansion through Deep North
• Armory — New armor variants that upgrade across tiers
• Wizardry — Full magic system: staves, spells, and casting progression
• Monstrum + Monstrum Deep North — New monsters, mini-bosses, and forsaken bosses
• DragoonCapes — Capes with unique effects, vanilla capes revamped

Creatures & World (6 mods)

• Bestiary — New creatures with configurable spawns
• SeaAnimals — Ocean life: dangerous and rideable marine creatures
• RtDOcean — Ocean expansion: sea life, crops, agriculture
• Forbidden Catacombs — Randomized Swamp dungeon
• More World Locations AIO — 181 new POIs: dungeons, traders, ports
• Seasons — Four rotating seasons with visual and gameplay variety (7-day seasons)

Ships, Mounts & Trade (5 mods)

• OdinShip — 7 new ships plus docks and fishing gear
• LongshipUpgrades — Modular longship upgrades: mast, storage, hull HP
• OdinHorse — Tameable, rideable horses with carts and armor
• TradersExtended — Extended trader inventories and UI
• CookingAdditions — 23 new cookable foods

Combat Mechanics (5 mods)

• BetterArchery — Improved bow gameplay, retrievable arrows (zoom off — ProjectileTweaks owns zoom)
• ProjectileTweaks — Arrows launch from where you aim, bow/crossbow zoom, ammo counter
• Headshots — Head weakspots reward precise pierce shots
• ShieldBash — Active shield bash attack (Middle Mouse while blocking)
• DualWield — Fight with a weapon in each hand

Skills & Progression (15 mods)

• SmartSkills — 75% skill recovery after death; death matters but isn't crushing
• Smoothbrain skill roster — Tenacity, Evasion, Mining, Foraging, Farming, Lumberjacking, Building, Blacksmithing, Sailing (+ SailingSpeed base tuning)
• Agility / Endurance — Movement and stamina skills
• SkilledCarryWeight — Carry weight grows with your skills
• CircletExtended — Upgradeable circlet light with new abilities

Inventory & Crafting (10 mods)

• AzuExtendedPlayerInventory — Dedicated equipment and quick slots
• AzuCraftyBoxes — Craft using materials from nearby containers
• AzuAutoStore — Auto-deposit items into nearby containers
• AzuContainerSizes — Larger chest capacities
• AAA Crafting — Improved crafting UI with bulk crafting and upgrades
• Recycle N Reclaim — Recycle items back into materials
• Quick Stack Store Sort Trash Restock — One-key chest stacking, sorting, and trash
• MultiUserChest — Multiple players can use one chest simultaneously
• AdventureBackpacks — Progression-gated craftable backpacks
• TrueInstantLootDrop — Loot drops instantly on kill

UI & HUD (6 mods)

• MyLittleUI — Lightweight UI upgrades: timers, stats, chest contents, weather
• VNEI — In-game item and recipe browser
• HUDCompass — Compass bar with map pins
• AzuHoverStats — Detailed hover tooltips
• Better Cartography Table — Precise control over pin sharing and map exploration
• ChangelogEditor — Clean main-menu changelog

Visual & Atmosphere (1 mod)

• CameraTweaks — Configurable FoV and camera distance (vanilla atmosphere otherwise untouched — no lighting or weather-effect mods)

Building (8 mods)

• Gizmo — Precise build-piece rotation on all axes
• Extra Snap Points Made Easy — More snap points on every piece
• AzuAreaRepair — Repair all nearby build pieces with one hammer hit
• MissingPieces — Vanilla-styled build pieces that should have existed
• AdvancedTerrainModifiers — Precision terraforming with square/circle modes and undo
• AzuWorkbenchTweaks — Workbench behavior improvements
• Structure Tweaks — Advanced structure behavior control
• MyPitsDontLeak — Fixes the vanilla tarpit memory leak

Farming & Nature (3 mods)

• PlantEverything — Plant every gatherable resource and tree
• PlantEasily — Grid-aligned planting and mass harvesting
• MassFarming — Bulk plant and pick with a modifier key

Gameplay QoL (11 mods)

• ComfyAutoRepair — Opening a crafting station repairs everything
• AutomaticFuel — Fireplaces and smelters feed from nearby chests (F7 toggle)
• PetPantry — Tamed animals feed from nearby containers
• SaveCrossbowState — Crossbows stay loaded when switching weapons
• WieldEquipmentWhileSwimming — Keep gear in hand while swimming
• AzuMiscPatches — Collection of small vanilla fixes
• Venture Floating Items — Dropped items float on water
• StumpsAreOneHp — Tree stumps fall in a single hit
• NoRainDamage — Buildings no longer take weather damage
• SpeedyPaths — Move faster on paths, roads, and cleared ground
• TeleportEverything — Portal everything, with a 10% ore transport tax

Fixes & Performance (5 mods)

• LocalizationCache — Dramatically faster load times
• TimeoutLimit — Fixes join timeouts on modded servers
• NetworkTweaks — Improved network throughput
• ShutUp — Silences console log spam
• Scenic — Improved scene error handling

Multiplayer & Server (8 mods)

• ServerCharacters — Server-side character saves (anti-dupe, anti-cheat)
• Groups — Party system with shared map pings and chat
• Resurrection — Ritual to bring dead friends back
• SleepSkip — Majority-rules night skipping
• Server devcommands — Better admin commands and permissions
• Upgrade World — Regenerate world locations after game updates
• QuickConnect — One-click server join
• Venture Logout Tweaks — Safe logout handling

Keyboard Shortcuts

All mod keybinds have been audited against Valheim's default bindings — nothing shadows a vanilla control. Modifier-based binds only act in their context (build mode, planting, menus) and don't interfere with the base action.

Key	Mod	Action	Context
Alt + Z / X / C	AzuExtendedPlayerInventory	Use quick slot 1 / 2 / 3	Anywhere
Alt + V	AzuExtendedPlayerInventory	Use quick slot 4	Anywhere (shares base key with vanilla voice chat — low-risk, playtest if mic behaves oddly)
Alt + 3 / 4	AzuExtendedPlayerInventory	Use quick slot 5 / 6	Anywhere (moved off B/N — collided with ESPME/OdinHorse and CircletExtended)
Alt + 1 / 2	AzuExtendedPlayerInventory	Use quick slot 7 / 8	Anywhere (Quiver slots on BetterArchery disabled to avoid this)
G / H / J	Epic Loot	Magic item ability 1 / 2 / 3	Anywhere
I	AdventureBackpacks	Open equipped backpack	Anywhere
L	AdventureBackpacks	Toggle Wisplight effect	Anywhere
Y	AdventureBackpacks	Quickdrop backpack contents	Anywhere
N	CircletExtended	Toggle circlet light	Circlet equipped (moved off K = admin fly)
, (comma)	CircletExtended	Overload circlet flash	Circlet equipped (moved off T = Gizmo reset-all)
Ctrl + Left/Right Arrow	CircletExtended	Narrow / widen beam	Circlet equipped (moved off bare arrows — collided with VNEI recipe-history nav)
Ctrl + Down Arrow	CircletExtended	Toggle demister	Circlet equipped (moved off bare DownArrow — collided with PlantEasily grid resize)
Shift + Left/Right/Up/Down Arrow	CircletExtended	Toggle shadows / radiance / adjust intensity	Circlet equipped
Middle Mouse	ShieldBash	Shield bash	While blocking (moved off F = vanilla Forsaken Power)
Period	SkilledCarryWeight	Quick-attach cart	Near cart (moved off Y — collided with AdventureBackpacks Quickdrop)
Alt + H	VNEI	Open item/recipe browser	Anywhere
R	VNEI	View recipe of hovered item	Menus only (vanilla sheath unaffected)
Left/Right Arrow	VNEI	Recipe history back / forward	VNEI window
Ctrl + Z	Recycle N Reclaim	Undo last recycle	Inventory
Delete	Quick Stack Store	Trash hovered item	Inventory
Shift (hold)	AzuCraftyBoxes	Craft max / fill all	Crafting menu
Shift (hold)	Gizmo	Rotate build piece on X axis	Build mode (hammer only — terrain tools stay vanilla)
Alt (hold)	Gizmo	Rotate build piece on Z axis	Build mode (hammer only — terrain tools stay vanilla)
U	Gizmo	Reset selected-axis rotation	Build mode (moved off G = Epic Loot ability 1)
T	Gizmo	Reset ALL axis rotations	Build mode
P	Gizmo	Copy rotation from targeted piece	Build mode
B	Extra Snap Points	Toggle Manual+ snap mode	Build mode
CapsLock	Extra Snap Points	Toggle manual closest-snap mode	Build mode
Q / E	Extra Snap Points	Cycle snap point on placing / targeted piece	Manual snap modes only
F11	Extra Snap Points	Toggle grid snapping	Build mode
F4	Extra Snap Points	Cycle grid snap precision	Grid snap mode
Shift (hold)	MassFarming	Mass plant / mass pick	Cultivator / interact
F8	PlantEasily	Toggle grid planting	Cultivator
F10	PlantEasily	Toggle grid snapping	Cultivator
F6	PlantEasily	Toggle auto-replant	Anywhere
RCtrl + Arrows	PlantEasily	Resize planting grid	Cultivator
Shift (hold)	PlantEasily	Harvest whole grid	Interact
R / T / B	OdinHorse	Remove armor / wait here / saddlebags	Pointing at tamed horse
Alt + 1/2/3	BetterArchery	Quiver slots	Disabled (collides with AzuEPI quick slots)
Alt + click	Groups	Ping map for your group	Map
Shift (hold)	Better Cartography Table	Modifier for pin sharing actions	Cartography table
Shift (hold)	Sailing	Nudge ship	Sailing
F3	ConfigurationManager	Open in-game mod settings	Anywhere
Ctrl + Semicolon	TradersExtended	Open trader configuration editor	Anywhere (moved off default Ctrl + P — collided with Gizmo's target-piece select)
F7	AutomaticFuel	Toggle auto-fueling on/off	Anywhere
Alt + scroll	AdvancedTerrainModifiers	Adjust tool radius	Hoe/cultivator/shovel
Ctrl + scroll	AdvancedTerrainModifiers	Adjust tool hardness	Hoe/cultivator/shovel
Right Mouse (hold)	ProjectileTweaks	Zoom while drawing bow/crossbow	Bow drawn (BetterArchery zoom disabled — one zoom owner)
E	ProjectileTweaks	Cancel bow draw	While drawing only
O	Server devcommands	Toggle debug mode + no-cost building + god mode	Admin only
K	Server devcommands	Toggle fly mode	Admin only
Ctrl + Right-click	Server devcommands	Teleport to map location	Admin only, map open

Rebind anything in-game: press F3 → find the mod → change the key (stored in that mod's config file).

Key Gameplay Rules

• Death: SmartSkills grants 75% skill recovery — all other mod skills have 0% death loss.
• Ore transport: TeleportEverything charges a 10% transport tax. No portal-bypass mods.
• Creature stars: CLLC Hard mode, up to 5 stars, +50% HP / +6% damage per extra player.
• Seasons: 7 in-game days per season, full year in ~14 hours of play.
• Raids: 36-minute interval at 30% chance (~every 2 hours).

For Server Admins: World Modifier Recommendation

Leave Valheim's built-in "Combat" world modifier at its default (Hard) when creating your world. Do not raise it further to try to make the pack harder.

All of this pack's difficulty is already tuned through CLLC's star system — biome-progressive star chances, per-star HP/damage scaling, and boss star chances are hand-calibrated assuming vanilla's default combat baseline. Vanilla's Combat modifier is a blunt global damage multiplier that has no awareness of stars, biomes, or CLLC's curve — stacking a harsher setting on top compounds unpredictably (worst on high-star Deep North/Mistlands spawns, where CLLC already pushes HP/DMG near its tuned ceiling) and it also scales player-dealt damage, which can undercut progression rather than reward it.

If the pack ever feels too easy for your group, adjust difficulty through the config values you can already see and reason about — CLLC's per-star/per-biome percentages in org.bepinex.plugins.creaturelevelcontrol.cfg and config/CreatureConfig.yml, or Custom Raids frequency — rather than introducing a second, uncontrolled global multiplier from the world-creation screen.

Installation

Client: Install via r2modman or the Thunderstore App — search for Fimbulwinter by ibfleming.

Alternative (profile import): Each GitHub release ships a ready-made .r2z profile with all mods at pinned versions plus the tuned configs. In r2modman: Profiles → Import / Update → From file.

Server: Install all mods except client-only UI/visual mods. A Pelican/Pterodactyl server egg is provided in the GitHub repo (server/valheim-fimbulwinter-egg.yaml) that automates the full dedicated server install: SteamCMD, BepInEx, all server-side mods, and modpack configs.

Links

• GitHub: github.com/ibfleming/fimbulwinter
• Issues & suggestions: GitHub Issues
• Changelog: CHANGELOG.md