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Tainted Bile
April 19, 2026 at 11:10 AM
Aligned drop rate to 2 per kill (100%) per data export
Tainted Bile is an endgame Cursed Swamps resource in Windrose, dropped exclusively from Plague Crocodiles. It is a required ingredient for Ingot Arborum at the Enchanting Table (1 Mire Metal Ingot + 2 Essence Arborum + 1 Tainted Bile) and for several other endgame alchemical and crafting recipes. Plan farming runs around the deep Cursed Swamps where Plague Crocodiles spawn most densely.

Property | Value |
|---|---|
Category | Resource |
Rarity | Rare |
Item Level | 3 |
Weight | 0.0 |
Stack Size | 30 |
Source | Notes |
|---|---|
The only consistent source; drops 2 per kill (guaranteed) | |
Plague-corrupted alchemy or events | Possibly available through specific quest rewards or rare events; community-documented |
Renewable? | Yes; Plague Crocodiles respawn in the Cursed Swamps after several in-game days |
Recipe | Materials | Output |
|---|---|---|
1 Mire Metal Ingot + 2 Essence Arborum + 1 Tainted Bile | Endgame enchanted ingot for advanced weapons and jewelry; crafted at the Enchanting Table | |
Endgame alchemy | Various recipes including high-tier elixirs that grant temporary supernatural buffs | Specific recipe list continues to be community-documented during Early Access |
Travel to the deep Cursed Swamps where Plague Crocodile density is highest
Drop a Fast Travel Bell at a safe entry point so you can warp out for resupply between fights
Bring Pierce or Crude damage weapons; Plague Crocodiles resist Slash damage
Stockpile Healing Potion (Great) and Pain Relief Elixir; the plague DoT compounds quickly
Co-op makes farming significantly faster and safer
Stockpile alongside Essence Arborum since both are required for the Ingot Arborum recipe
Tainted Bile is the corrupted digestive fluid of plague-affected crocodiles. Its alchemical properties are directly tied to the supernatural plague spreading through the Cursed Swamps. The fact that Tainted Bile is required for the Enchanting Table's endgame recipes implies that the player must literally weaponize the plague against itself: refining the corruption into an alchemical reagent powerful enough to enchant weapons against the supernatural threats of the late game.
Whether the plague originated with the High Priestess, with some older corruption tied to Columbus's Book of Prophecies, or with some other source, is part of the Cursed Swamps' unfolding mystery. The fact that the bile is usable as a constructive ingredient (rather than purely as a hazard) reflects the game's broader theme: in Windrose, the line between natural and supernatural, healthy and corrupted, is something the player negotiates rather than rejects outright.
Plague Crocodile - the source enemy
Ingot Arborum - the primary recipe consumer
Essence Arborum - the paired Cursed Swamps endgame resource
Enchanting Table - the crafting station that uses Tainted Bile
Cursed Swamps - the source biome
Inside the Cursed Swamps, Plague Crocodile spawns cluster around specific points of interest on the south side of the map. Each marked POI typically hosts two Plague Crocodiles at once, so a single site-clear yields two rolls at the 1 to 2 bile drop range without requiring the player to chase individual spawns across the wider biome.
These POIs are also frequently home to other swamp creatures that patrol the surrounding approach, so survival during the actual Crocodile fight depends on clearing or kiting the ambient adds first rather than engaging the Crocodile directly. Dropping a Fast Travel Bell at the POI entrance gives a safe reset point for repeat runs.