diff --git a/.gitignore b/.gitignore
index 8e5ea01..ac39572 100644
--- a/.gitignore
+++ b/.gitignore
@@ -15,3 +15,6 @@ deltagreen.lock
 
 # Ignore npm modules
 node_modules
+
+# Ignore Foundry VTT Reference Files
+reference/
\ No newline at end of file
diff --git a/module/data/item/armor.js b/module/data/item/armor.js
new file mode 100644
index 0000000..58e47ef
--- /dev/null
+++ b/module/data/item/armor.js
@@ -0,0 +1,14 @@
+import defineBaseItemSystemFields from "./base-fields.js";
+
+const { NumberField, StringField, BooleanField } = foundry.data.fields;
+
+export default class ArmorItemData extends foundry.abstract.TypeDataModel {
+  static defineSchema() {
+    return {
+      ...defineBaseItemSystemFields(),
+      protection: new NumberField({ initial: 3, integer: true }),
+      equipped: new BooleanField({ initial: true }),
+      expense: new StringField({ initial: "Standard" }),
+    };
+  }
+}
diff --git a/module/data/item/base-fields.js b/module/data/item/base-fields.js
new file mode 100644
index 0000000..d8fba49
--- /dev/null
+++ b/module/data/item/base-fields.js
@@ -0,0 +1,11 @@
+const { StringField } = foundry.data.fields;
+
+/**
+ * Shared system fields for all Delta Green item types (from legacy template base).
+ * Item display name lives on the document (`Item#name`), not in system.
+ */
+export default function defineBaseItemSystemFields() {
+  return {
+    description: new StringField({ initial: "" }),
+  };
+}
diff --git a/module/data/item/bond.js b/module/data/item/bond.js
new file mode 100644
index 0000000..16574dc
--- /dev/null
+++ b/module/data/item/bond.js
@@ -0,0 +1,14 @@
+import defineBaseItemSystemFields from "./base-fields.js";
+
+const { NumberField, StringField, BooleanField } = foundry.data.fields;
+
+export default class BondItemData extends foundry.abstract.TypeDataModel {
+  static defineSchema() {
+    return {
+      ...defineBaseItemSystemFields(),
+      score: new NumberField({ initial: 10, integer: true }),
+      relationship: new StringField({ initial: "?" }),
+      hasBeenDamagedSinceLastHomeScene: new BooleanField({ initial: false }),
+    };
+  }
+}
diff --git a/module/data/item/gear.js b/module/data/item/gear.js
new file mode 100644
index 0000000..8d54208
--- /dev/null
+++ b/module/data/item/gear.js
@@ -0,0 +1,13 @@
+import defineBaseItemSystemFields from "./base-fields.js";
+
+const { StringField, BooleanField } = foundry.data.fields;
+
+export default class GearItemData extends foundry.abstract.TypeDataModel {
+  static defineSchema() {
+    return {
+      ...defineBaseItemSystemFields(),
+      equipped: new BooleanField({ initial: true }),
+      expense: new StringField({ initial: "Standard" }),
+    };
+  }
+}
diff --git a/module/data/item/motivation.js b/module/data/item/motivation.js
new file mode 100644
index 0000000..5d0831f
--- /dev/null
+++ b/module/data/item/motivation.js
@@ -0,0 +1,14 @@
+import defineBaseItemSystemFields from "./base-fields.js";
+
+const { StringField, BooleanField } = foundry.data.fields;
+
+export default class MotivationItemData extends foundry.abstract.TypeDataModel {
+  static defineSchema() {
+    return {
+      ...defineBaseItemSystemFields(),
+      disorder: new StringField({ initial: "" }),
+      crossedOut: new BooleanField({ initial: false }),
+      disorderCured: new BooleanField({ initial: false }),
+    };
+  }
+}
diff --git a/module/data/item/ritual.js b/module/data/item/ritual.js
new file mode 100644
index 0000000..30e8611
--- /dev/null
+++ b/module/data/item/ritual.js
@@ -0,0 +1,29 @@
+import defineBaseItemSystemFields from "./base-fields.js";
+
+const { NumberField, StringField, BooleanField, SchemaField } =
+  foundry.data.fields;
+
+export default class RitualItemData extends foundry.abstract.TypeDataModel {
+  static defineSchema() {
+    return {
+      ...defineBaseItemSystemFields(),
+      studyTime: new StringField({ initial: "" }),
+      sanity: new SchemaField({
+        notes: new StringField({ initial: "" }),
+        failedLoss: new StringField({ initial: "1D10" }),
+        successLoss: new StringField({ initial: "0" }),
+      }),
+      learnedSanity: new SchemaField({
+        notes: new StringField({ initial: "" }),
+        failedLoss: new StringField({ initial: "1D10" }),
+        successLoss: new StringField({ initial: "0" }),
+      }),
+      unnaturalSkillIncrease: new NumberField({ initial: 1, integer: true }),
+      activationCosts: new StringField({ initial: "" }),
+      activationTime: new StringField({ initial: "" }),
+      complexity: new StringField({ initial: "Simple" }),
+      handlerNotes: new StringField({ initial: "" }),
+      revealed: new BooleanField({ initial: false }),
+    };
+  }
+}
diff --git a/module/data/item/tome.js b/module/data/item/tome.js
new file mode 100644
index 0000000..28a27af
--- /dev/null
+++ b/module/data/item/tome.js
@@ -0,0 +1,23 @@
+import defineBaseItemSystemFields from "./base-fields.js";
+
+const { NumberField, StringField, BooleanField, SchemaField } =
+  foundry.data.fields;
+
+export default class TomeItemData extends foundry.abstract.TypeDataModel {
+  static defineSchema() {
+    return {
+      ...defineBaseItemSystemFields(),
+      language: new StringField({ initial: "" }),
+      studyTime: new StringField({ initial: "" }),
+      unnaturalSkillIncrease: new NumberField({ initial: 5, integer: true }),
+      occultSkillIncrease: new NumberField({ initial: 3, integer: true }),
+      sanity: new SchemaField({
+        notes: new StringField({ initial: "" }),
+        failedLoss: new StringField({ initial: "1D6" }),
+        successLoss: new StringField({ initial: "1D4" }),
+      }),
+      handlerNotes: new StringField({ initial: "" }),
+      revealed: new BooleanField({ initial: false }),
+    };
+  }
+}
diff --git a/module/data/item/weapon.js b/module/data/item/weapon.js
new file mode 100644
index 0000000..11777a2
--- /dev/null
+++ b/module/data/item/weapon.js
@@ -0,0 +1,23 @@
+import defineBaseItemSystemFields from "./base-fields.js";
+
+const { NumberField, StringField, BooleanField } = foundry.data.fields;
+
+export default class WeaponItemData extends foundry.abstract.TypeDataModel {
+  static defineSchema() {
+    return {
+      ...defineBaseItemSystemFields(),
+      skill: new StringField({ initial: "" }),
+      skillModifier: new NumberField({ initial: 0, integer: true }),
+      customSkillTarget: new NumberField({ initial: 50, integer: true }),
+      range: new StringField({ initial: "10M" }),
+      damage: new StringField({ initial: "1D8" }),
+      armorPiercing: new NumberField({ initial: 0, integer: true }),
+      lethality: new NumberField({ initial: 0, integer: true }),
+      isLethal: new BooleanField({ initial: false }),
+      killRadius: new StringField({ initial: "N/A" }),
+      ammo: new StringField({ initial: "" }),
+      expense: new StringField({ initial: "Standard" }),
+      equipped: new BooleanField({ initial: true }),
+    };
+  }
+}
diff --git a/module/deltagreen.js b/module/deltagreen.js
index 63f12f7..5f7aad5 100644
--- a/module/deltagreen.js
+++ b/module/deltagreen.js
@@ -25,18 +25,35 @@ import AgentData from "./data/actor/agent.js";
 import UnnaturalData from "./data/actor/unnatural.js";
 import NPCData from "./data/actor/npc.js";
 import VehicleData from "./data/actor/vehicle.js";
+import WeaponItemData from "./data/item/weapon.js";
+import ArmorItemData from "./data/item/armor.js";
+import MotivationItemData from "./data/item/motivation.js";
+import BondItemData from "./data/item/bond.js";
+import GearItemData from "./data/item/gear.js";
+import TomeItemData from "./data/item/tome.js";
+import RitualItemData from "./data/item/ritual.js";
 
 const { Actors, Items } = foundry.documents.collections;
 
 Hooks.once("init", async () => {
   Object.assign(CONFIG.Actor.dataModels, {
-    // The keys are the types defined in our template.json
+    // The keys are the types defined in system.json documentTypes.Actor
     agent: AgentData,
     unnatural: UnnaturalData,
     npc: NPCData,
     vehicle: VehicleData,
   });
 
+  Object.assign(CONFIG.Item.dataModels, {
+    weapon: WeaponItemData,
+    armor: ArmorItemData,
+    motivation: MotivationItemData,
+    bond: BondItemData,
+    gear: GearItemData,
+    tome: TomeItemData,
+    ritual: RitualItemData,
+  });
+
   game.deltagreen = {
     DeltaGreenActor,
     DeltaGreenItem,
diff --git a/system.json b/system.json
index c27a854..1f7f15e 100644
--- a/system.json
+++ b/system.json
@@ -18,8 +18,8 @@
   "version": "dev",
   "compatibility": {
     "minimum": "13",
-    "verified": "13",
-    "maximum": "13"
+    "verified": "14",
+    "maximum": "14"
   },
   "flags": {
     "hotReload": {
@@ -207,6 +207,15 @@
       "unnatural": {},
       "npc": {},
       "vehicle": {}
+    },
+    "Item": {
+      "weapon": {},
+      "armor": {},
+      "motivation": {},
+      "bond": {},
+      "gear": {},
+      "tome": {},
+      "ritual": {}
     }
   }
 }
diff --git a/template.json b/template.json
index 68dc905..0967ef4 100644
--- a/template.json
+++ b/template.json
@@ -1,91 +1 @@
-{
-  "Item": {
-    "types": [
-      "weapon",
-      "armor",
-      "motivation",
-      "bond",
-      "gear",
-      "tome",
-      "ritual"
-    ],
-    "templates": {
-      "base": {
-        "name": "",
-        "description": ""
-      }
-    },
-    "weapon": {
-      "templates": ["base"],
-      "skill": "",
-      "skillModifier": 0,
-      "customSkillTarget": 50,
-      "range": "10M",
-      "damage": "1D8",
-      "armorPiercing": 0,
-      "lethality": 0,
-      "isLethal": false,
-      "killRadius": "N/A",
-      "ammo": "",
-      "expense": "Standard",
-      "equipped": true
-    },
-    "armor": {
-      "templates": ["base"],
-      "protection": 3,
-      "equipped": true,
-      "expense": "Standard"
-    },
-    "motivation": {
-      "templates": ["base"],
-      "disorder": "",
-      "crossedOut": false,
-      "disorderCured": false
-    },
-    "bond": {
-      "templates": ["base"],
-      "score": 10,
-      "relationship": "?",
-      "hasBeenDamagedSinceLastHomeScene": false
-    },
-    "gear": {
-      "templates": ["base"],
-      "equipped": true,
-      "expense": "Standard"
-    },
-    "tome": {
-      "templates": ["base"],
-      "language": "",
-      "studyTime": "",
-      "unnaturalSkillIncrease": 5,
-      "occultSkillIncrease": 3,
-      "sanity": {
-        "notes": "",
-        "failedLoss": "1D6",
-        "successLoss": "1D4"
-      },
-      "handlerNotes": "",
-      "revealed": false
-    },
-    "ritual": {
-      "templates": ["base"],
-      "studyTime": "",
-      "sanity": {
-        "notes": "",
-        "failedLoss": "1D10",
-        "successLoss": "0"
-      },
-      "learnedSanity": {
-        "notes": "",
-        "failedLoss": "1D10",
-        "successLoss": "0"
-      },
-      "unnaturalSkillIncrease": 1,
-      "activationCosts": "",
-      "activationTime": "",
-      "complexity": "Simple",
-      "handlerNotes": "",
-      "revealed": false
-    }
-  }
-}
+{}