ValheimValheimBossTrader

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Sto_dev-ValheimBossTrader-1.0.6

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Mods Misc Server-side Client-side Utility NPCs AI Generated

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ValheimBossTrader

Unlock 964 items at Haldor based on your boss progression.

Every item sold by the trader is gated behind the boss of its corresponding biome. Kill a boss, unlock the next biome's resources — materials, food, weapons, armor, ammo, consumables, and more. Prices and quantities are sourced directly from TraderOverhaul and fully configurable.

Features

Boss-gated progression — Items unlock as you defeat bosses, following Valheim's natural biome progression
964 items across all biomes, organized into 7 categories
Real-time unlock — Kill a boss mid-session and items appear immediately, no reload needed
Bank system — Deposit and withdraw coins at Haldor. Balance is saved per character and automatically used when buying items
Category filter — A panel next to the merchant lets you filter items by category (Materials, Food, Weapons, Armor, Ammo, Consumables, Misc)
Choose your traders — Configure which merchants sell items (Haldor, Hildir, Bog Witch)
Fully configurable — Adjust prices, stack sizes, toggle categories and merchants via the .cfg file
Compatible with r2modman and DatHost — Config is a standard BepInEx .cfg file
No hard dependencies — Works standalone, no other mods required

Progression Table

Boss Defeated	Biome Unlocked	What you can buy
(none)	Meadows	Basic tools, food, seeds, leather gear
Eikthyr	Black Forest	Copper, Tin, Bronze + Black Forest food
The Elder	Swamp	Iron, Chitin + fish, soups, potions
Bonemass	Mountain	Silver, Obsidian + wolf meat, onion dishes
Moder	Plains	Black Metal, Tar + barley, lox, bread
Yagluth	Mistlands	Eitr, Carapace + mushrooms, chicken, seeker
The Queen	Ashlands	Flametal, Black Marble + Ashlands foods
Fader	Deep North	Deep North fishing bait

Item Categories

Category	Count	Toggle Config Key
Materials (ores, bars, resources)	61	`EnableMaterials`
Food (raw & cooked)	139	`EnableFood`
Weapons	293	`EnableWeapons`
Armor & Shields	226	`EnableArmor`
Ammo (arrows, bolts, bombs)	27	`EnableAmmo`
Consumables (meads, potions, bait)	38	`EnableConsumables`
Misc (seeds, trophies, tools)	180	`EnableMisc`

Installation

Via r2modman (recommended)

Open r2modman and select Valheim
Search for ValheimBossTrader in the online tab
Click Install

Manual

Make sure BepInExPack_Valheim is installed
Copy ValheimBossTrader.dll into Valheim/BepInEx/plugins/
Launch the game

Configuration

The config file is generated on first launch at:

BepInEx/config/juliani.mods.valheim.bosstrader.cfg

Editable via r2modman config editor, DatHost file manager, or any text editor.

Options

[1 - Prix]

Key	Default	Range	Description
`PriceMultiplier`	`1.0`	`0.1 – 10.0`	Multiply all prices. `0.5` = half price, `2.0` = double price

[2 - Stacks]

Key	Default	Range	Description
`StackMultiplier`	`1.0`	`0.1 – 10.0`	Multiply all stack sizes per purchase

[3 - Marchands]

Key	Default	Description
`EnableHaldor`	`true`	Inject items into Haldor's shop
`EnableHildir`	`false`	Inject items into Hildir's shop
`EnableBogWitch`	`false`	Inject items into the Bog Witch's shop

[4 - Catégories]

Key	Default	Description
`EnableMaterials`	`true`	Enable ores, bars, and raw resources
`EnableFood`	`true`	Enable raw and cooked food
`EnableWeapons`	`true`	Enable weapons
`EnableArmor`	`true`	Enable armor, capes, and shields
`EnableAmmo`	`true`	Enable arrows, bolts, and bombs
`EnableConsumables`	`true`	Enable meads, potions, and fishing bait
`EnableMisc`	`true`	Enable seeds, trophies, tools, and other items

Example: Resources-only server, Haldor only

[3 - Marchands]
EnableHaldor   = true
EnableHildir   = false
EnableBogWitch = false

[4 - Catégories]
EnableMaterials   = true
EnableFood        = true
EnableWeapons     = false
EnableArmor       = false
EnableAmmo        = false
EnableConsumables = false
EnableMisc        = false

Server-side Usage

This mod must be installed on the server for boss-gating to work correctly in multiplayer, since global keys are stored server-side. Clients do not need to install it (the items will appear for all players when they open the shop).

Bank System

When you open Haldor's shop, a COFFRE D'HALDOR panel appears on the right side of the screen.

Deposit — Transfer coins from your inventory to the bank
Withdraw — Transfer coins from the bank to your inventory
Withdraw All — Empty the bank in one click
Bank balance is saved per character in BepInEx/config/BossTrader_Bank/<CharacterName>.dat
When buying from Haldor, if your inventory lacks funds, the bank is tapped automatically to cover the difference

Category Filter

A CATÉGORIES panel appears to the right of the merchant list.

Click a category to show only matching items
Click the active category again (or Tout) to clear the filter
The filter resets when you close the shop

Compatibility

BepInExPack_Valheim 5.4.2200+ required
Compatible with Epic Loot — base item variants only, no rarity conflicts
Compatible with Plant Everything, Valheim Plus, and most utility mods
Not compatible with mods that fully replace the Trader UI (such as TraderOverhaul itself)

Item Data Source

All item definitions, prices, and stack sizes are sourced from TraderOverhaul by JoeCorrell. Only the base (non-rarity) version of each item is used for vanilla compatibility.

Changelog

See CHANGELOG.md

Source Code

github.com/RenaudJuliani/ValheimBossTrader

Thunderstore

thunderstore.io/c/valheim/p/Sto_dev/ValheimBossTrader