How To Build Custom Mob Drop Tables Using Drop That on Valheim

Note:

In vanilla Valheim, monster loot and resource yields are tied to hardcoded game logic. Drop That! gives server administrators total control over the server-side item economy. It enables you to wipe or append loot tables, inject rare or modded items into any creature, prevent item-drop server lag by stacking dropped loot automatically, and dump complete vanilla drop lists directly to debug files for reference.

1. Download the Drop That Mod Package

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2. Extract the Drop That Mod Package

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3. Log In to Your Panel

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4. Select the ‘Switch Loader’ Tab

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5. Ensure That the Server Is Running on Valheim BepINex Loader

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6. Select the ‘File’ Tab

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7. Select the ‘BepInEx’ Folder

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8. Select the ‘Plugin’ Folder

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9. Upload the .dll File Into the Plugin Folder

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10. Restart Your Server

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11. Head to the BepInEx Folder and Select the ‘Config’ Folder

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12. If the Mod Was Installed Properly, You Should See a File Named ‘drop_that.cfg’

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13. Configure Core ‘drop_that.cfg’ Parameters

Section Header	Setting Key	Recommended	Description
[CharacterDrop]	ClearAllExisting	false	When set to true, completely wipes all native drops from every monster in the game.
[CharacterDrop]	ClearAllExistingWhenModified	true	Crucial: Clears vanilla drops only for entities you configure (e.g., configuring Deer replaces its vanilla loot without breaking other mobs).
[Performance]	AlwaysAutoStack	true	Recommended: Drops items as combined stacks instead of individual entities (e.g., one 30-coin stack instead of 30 separate coin objects), reducing server lag.
[Performance]	DropLimit	50 – 100	Caps the maximum items dropped in a single kill to protect against multiplier crashes (-1 is unlimited).
[General]	LoadSupplementalDropTables	true	Allows Drop That to read external config files (e.g., drop_that.character_drop.my_custom_drops.cfg).
[Debug]	WriteCharacterDropsToFile	true	Automatically exports a complete text list of all vanilla monster drop tables into BepInEx/Debug/ upon boot for easy reference.

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14. Select the ‘drop_that.character_drop.cfg‘ File

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15. Configuration for ‘drop_that.character_drop.cfg' (Creature & Monster Drops)

Use this file when you want to change what drops when a creature dies.

Example:

[DraugrElite.105]
PrefabName = IronScrap
EnableConfig = true
SetTemplateWeight = 1
SetChanceToDrop = 75
SetMinStack = 2
SetMaxStack = 5
SetScaleByLevel = true
ConditionMinLevel = 2
ConditionMaxLevel = 3
ConditionDaytime = Night
ConditionBiomes = Swamp
ConditionGlobalKeys = defeated_gdking

Element / Key	Function	Valid Values & Format
[DraugrElite.105]	Section Header: Defines the target monster and unique rule slot. Indexes 0–9 are reserved for vanilla slots; use 100+ to add new items without overwriting existing vanilla drops.	[<MonsterPrefab>.<Index>] (e.g., [Troll.101], [Wolf.100])
PrefabName	The internal game ID of the item being dropped.	Any valid item prefab (e.g., Coins, IronScrap, Silver)
EnableConfig	Activates or disables this specific entry block.	true or false
SetChanceToDrop	The percentage chance for the item to drop upon death.	0 to 100 (100 = guaranteed, 50 = 50% roll)
SetMinStack / SetMaxStack	The minimum and maximum quantity dropped when the drop roll succeeds.	Integers (e.g., 1 to 5)
SetScaleByLevel	Multiplies the dropped quantity by the creature’s star rating.	true or false
ConditionMinLevel / ConditionMaxLevel	Restricts drops based on creature tier. 1 = 0-star, 2 = 1-star, 3 = 2-star.	Integers 1 through 3 (or higher with level-scaling mods)
ConditionDaytime	Restricts drops according to the world sun cycle.	Day, Night, or All
ConditionBiomes	Limits this drop to specific biomes.	Comma-separated: Meadows, BlackForest, Swamp, Mountain, Plains, Mistlands, Ashlands
ConditionGlobalKeys	Requires specific boss progression flags to be active on the server before the item can drop.	Comma-separated keys (e.g., defeated_eikthyr, defeated_gdking, defeated_bonemass)

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16. Select the ‘drop_that.drop_table.cfg‘ File

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17. Configuration for ‘drop_that.drop_table.cfg‘ (Containers, Chests & Destructibles)

Use this file to customize static world objects that use Unity’s DropTable component, such as dungeon chests, barrels, resource deposits, and trees.

Example:

[TreasureChest_blackforest.100]
PrefabName = Ruby
EnableConfig = true
SetWeight = 2.5
SetMinAmount = 2
SetMaxAmount = 6
ConditionBiomes = BlackForest
ConditionGlobalKeys = defeated_eikthyr

Element / Key	Function	Valid Values & Format
[TreasureChest_blackforest.100]	Section Header: Defines the target container, node, or object prefab and a unique index identifier.	[<ObjectPrefab>.<Index>] (e.g., [TreasureChest_meadows.100], [MineRock_Iron.50], [piece_chest_wood.100])
PrefabName	The internal game ID of the item placed into the object’s loot pool.	Any valid item prefab (e.g., Ruby, Coins, ArrowFlint)
EnableConfig	Activates or disables this drop table entry.	true or false
SetWeight	The roll weight of this item relative to all other items in the container’s pool. Higher values make it appear more frequently than other items in the same chest.	Floating point number (e.g., 0.5, 1.0, 3.0)
SetMinAmount / SetMaxAmount	The quantity range spawned if this item is selected by the container roll.	Integers (e.g., 2 to 6)
ConditionBiomes	Ensures the container only generates this item if it spawned in the listed biomes.	Comma-separated biomes (e.g., BlackForest, Swamp)
ConditionGlobalKeys	Blocks this loot entry from appearing until the server has defeated the required world boss.	Comma-separated keys (e.g., defeated_eikthyr, defeated_gdking)

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14. Save the Changes

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15. Restart Your Server

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