diff --git a/.gitignore b/.gitignore
index 7bfd985b..c1a1bab4 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,4 +4,5 @@ dist/*
 .vite-cache/*
 module.js
 module.js.map
-style.css
\ No newline at end of file
+style.css
+*.iml
\ No newline at end of file
diff --git a/src/systems.js b/src/systems.js
index 22102bba..42696002 100644
--- a/src/systems.js
+++ b/src/systems.js
@@ -13,6 +13,7 @@ import wfrp4e from "./systems/wfrp4e.js";
 import splittermond from "./systems/splittermond.js";
 import forbiddenLands from "./systems/forbidden-lands.js";
 import icrpg from "./systems/icrpg.js";
+import shadowdark from "./systems/shadowdark.js";
 import swse from "./systems/swse.js";
 import sw5e from "./systems/sw5e.js";
 import sw5e203 from "./systems/sw5e-2.0.3.2.3.8.js";
@@ -155,6 +156,9 @@ export const SYSTEMS = {
 		"demonlord": {
 			"latest": demonlord
 		},
+		"shadowdark": {
+			"latest": shadowdark
+		},
 		// ↑ ADD SYSTEMS HERE ↑
 	},
 
diff --git a/src/systems/shadowdark.js b/src/systems/shadowdark.js
new file mode 100644
index 00000000..2d6b5ca8
--- /dev/null
+++ b/src/systems/shadowdark.js
@@ -0,0 +1,82 @@
+export default {
+
+    "VERSION": "1.0.2",
+
+    // The actor class type is the type of actor that will be used for the default item pile actor that is created on first item drop.
+    "ACTOR_CLASS_TYPE": "Player",
+
+    // The item quantity attribute is the path to the attribute on items that denote how many of that item that exists
+    "ITEM_QUANTITY_ATTRIBUTE": "system.quantity",
+
+    // Item filters actively remove items from the item pile inventory UI that users cannot loot, such as spells, feats, and classes
+    "ITEM_FILTERS": [
+        {
+            "path": "type",
+            "filters": "Ancestry,Background,Boon,Class Ability,Class,Deity,Effect,Language,NPC Attack,NPC Special Attack,NPC Spell,NPC Feature,Property,Spell,Talent"
+        },
+    ],
+
+    // Item similarities determines how item piles detect similarities and differences in the system
+    "ITEM_SIMILARITIES": ["name", "type"],
+
+    // Currencies in item piles is a versatile system that can accept actor attributes (a number field on the actor's sheet) or items (actual items in their inventory)
+    // In the case of attributes, the path is relative to the "actor.system"
+    // In the case of items, it is recommended you export the item with `.toObject()` and strip out any module data
+    "CURRENCIES": [
+        {
+            "type": "attribute",
+            "name": "Gold Pieces",
+            "img": "icons/commodities/currency/coin-embossed-crown-gold.webp",
+            "abbreviation": "{#}GP",
+            "data": {
+                "path": "system.coins.gp",
+            },
+            "primary": true,
+            "exchangeRate": 1
+        },
+        {
+            "type": "attribute",
+            "name": "Silver Pieces",
+            "img": "icons/commodities/currency/coin-engraved-moon-silver.webp",
+            "abbreviation": "{#}SP",
+            "data": {
+                "path": "system.coins.sp",
+            },
+            "primary": false,
+            "exchangeRate": 0.1
+        },
+        {
+            "type": "attribute",
+            "name": "Copper Pieces",
+            "img": "icons/commodities/currency/coin-engraved-waves-copper.webp",
+            "abbreviation": "{#}CP",
+            "data": {
+                "path": "system.coins.cp",
+            },
+            "primary": false,
+            "exchangeRate": 0.01
+        }
+    ],
+
+    // This function is an optional system handler that specifically transforms an item's price into a more unified numeric format
+    "ITEM_COST_TRANSFORMER": (item, currencies) => {
+        const cost = getProperty(item, "system.cost") ?? {};
+        let totalCost = 0;
+        for (const costDenomination in cost) {
+            const subCost = Number(getProperty(cost, costDenomination)) ?? 0;
+            if (subCost === 0) {
+                continue;
+            }
+
+            const currencyDenomination = currencies
+                .filter(currency => currency.type === "attribute")
+                .find(currency => {
+                    return currency.data.path.toLowerCase().endsWith(costDenomination);
+                });
+
+            totalCost += subCost * currencyDenomination?.exchangeRate ?? 0;
+        }
+
+        return totalCost;
+    }
+}
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