diff --git a/module/applications/sheets-configs/environment-settings.mjs b/module/applications/sheets-configs/environment-settings.mjs
index 5c039f85..bc0efef2 100644
--- a/module/applications/sheets-configs/environment-settings.mjs
+++ b/module/applications/sheets-configs/environment-settings.mjs
@@ -68,9 +68,9 @@ export default class DHEnvironmentSettings extends DHBaseActorSettings {
      */
     static async #addCategory() {
         await this.actor.update({
-            [`system.potentialAdversaries.${foundry.utils.randomID()}.label`]: game.i18n.localize(
-                'DAGGERHEART.ACTORS.Environment.newAdversary'
-            )
+            [`system.potentialAdversaries.${foundry.utils.randomID()}`]: {
+                label: game.i18n.localize('DAGGERHEART.ACTORS.Environment.newAdversary')
+            }
         });
     }
 
@@ -138,4 +138,8 @@ export default class DHEnvironmentSettings extends DHBaseActorSettings {
             this.render();
         }
     }
+
+    async _onDropItem(event, item) {
+        console.log(item);
+    }
 }
diff --git a/module/data/actor/environment.mjs b/module/data/actor/environment.mjs
index 0aaf8eb0..c4a3f747 100644
--- a/module/data/actor/environment.mjs
+++ b/module/data/actor/environment.mjs
@@ -37,7 +37,7 @@ export default class DhEnvironment extends BaseDataActor {
             potentialAdversaries: new fields.TypedObjectField(
                 new fields.SchemaField({
                     label: new fields.StringField(),
-                    adversaries: new ForeignDocumentUUIDArrayField({ type: 'Actor' })
+                    adversaries: new ForeignDocumentUUIDArrayField({ type: 'Actor' }, { required: false, initial: [] })
                 })
             ),
             notes: new fields.HTMLField()
diff --git a/module/data/fields/foreignDocumentUUIDArrayField.mjs b/module/data/fields/foreignDocumentUUIDArrayField.mjs
index 0ddd126c..456c0593 100644
--- a/module/data/fields/foreignDocumentUUIDArrayField.mjs
+++ b/module/data/fields/foreignDocumentUUIDArrayField.mjs
@@ -14,7 +14,7 @@ export default class ForeignDocumentUUIDArrayField extends foundry.data.fields.A
 
     /** @inheritdoc */
     initialize(value, model, options = {}) {
-        const v = super.initialize(value, model, options);
+        const v = super.initialize(value ?? [], model, options);
         return () => {
             const data = v.map(entry => (typeof entry === 'function' ? entry() : entry));
             return this.options.prune ? data.filter(d => !!d) : data;
diff --git a/system.json b/system.json
index 48a2319a..14d61851 100644
--- a/system.json
+++ b/system.json
@@ -4,8 +4,8 @@
     "description": "An unofficial implementation of the Daggerheart system",
     "version": "2.0.0",
     "compatibility": {
-        "minimum": "14.354",
-        "verified": "14.354",
+        "minimum": "14.355",
+        "verified": "14.355",
         "maximum": "14"
     },
     "authors": [