.

module/data/actor/adversary.mjs

@@ -11,7 +11,8 @@ export default class DhpAdversary extends BaseDataActor {
             label: 'TYPES.Actor.adversary',
             type: 'adversary',
             settingSheet: DHAdversarySettings,
-            hasAttribution: true
+            hasAttribution: true,
+            usesSize: true
         });
     }
 
@@ -142,7 +143,7 @@ export default class DhpAdversary extends BaseDataActor {
     }
 
     isItemValid(source) {
-        return source.type === "feature";
+        return source.type === 'feature';
     }
 
     async _preUpdate(changes, options, user) {

module/data/actor/base.mjs

@@ -42,7 +42,7 @@ export default class BaseDataActor extends foundry.abstract.TypeDataModel {
             hasResistances: true,
             hasAttribution: false,
             hasLimitedView: true,
-            usesSize: true
+            usesSize: false
         };
     }
 

module/data/actor/party.mjs

@@ -2,13 +2,6 @@ import BaseDataActor from './base.mjs';
 import ForeignDocumentUUIDArrayField from '../fields/foreignDocumentUUIDArrayField.mjs';
 
 export default class DhParty extends BaseDataActor {
-    /**@inheritdoc */
-    static get metadata() {
-        return foundry.utils.mergeObject(super.metadata, {
-            usesSize: false
-        });
-    }
-
     /**@inheritdoc */
     static defineSchema() {
         const fields = foundry.data.fields;