diff --git a/daggerheart.mjs b/daggerheart.mjs
index e418401a..1987ec12 100644
--- a/daggerheart.mjs
+++ b/daggerheart.mjs
@@ -252,7 +252,7 @@ Hooks.on('setup', () => {
     );
     const actorCommon = {
         bar: ['resources.stress'],
-        value: [...resistance]
+        value: [...resistance, 'advantageSources', 'disadvantageSources']
     };
     CONFIG.Actor.trackableAttributes = {
         character: {
@@ -270,7 +270,7 @@ Hooks.on('setup', () => {
         },
         adversary: {
             bar: [...actorCommon.bar, 'resources.hitPoints'],
-            value: [...actorCommon.value, ...damageThresholds, 'criticalThreshold']
+            value: [...actorCommon.value, ...damageThresholds, 'criticalThreshold', 'difficulty']
         },
         companion: {
             bar: [...actorCommon.bar],
diff --git a/module/data/actor/adversary.mjs b/module/data/actor/adversary.mjs
index d3844bcb..78964720 100644
--- a/module/data/actor/adversary.mjs
+++ b/module/data/actor/adversary.mjs
@@ -1,11 +1,12 @@
 import DHAdversarySettings from '../../applications/sheets-configs/adversary-settings.mjs';
 import { ActionField } from '../fields/actionField.mjs';
-import BaseDataActor, { commonActorRules } from './base.mjs';
+import { commonActorRules } from './base.mjs';
+import DhCreature from './creature.mjs';
 import { resourceField, bonusField } from '../fields/actorField.mjs';
 import { calculateExpectedValue, parseTermsFromSimpleFormula } from '../../helpers/utils.mjs';
 import { adversaryExpectedDamage, adversaryScalingData } from '../../config/actorConfig.mjs';
 
-export default class DhpAdversary extends BaseDataActor {
+export default class DhpAdversary extends DhCreature {
     static LOCALIZATION_PREFIXES = ['DAGGERHEART.ACTORS.Adversary'];
 
     static get metadata() {
diff --git a/module/data/actor/character.mjs b/module/data/actor/character.mjs
index c79bb078..aca87c5c 100644
--- a/module/data/actor/character.mjs
+++ b/module/data/actor/character.mjs
@@ -1,12 +1,13 @@
 import { burden } from '../../config/generalConfig.mjs';
 import ForeignDocumentUUIDField from '../fields/foreignDocumentUUIDField.mjs';
 import DhLevelData from '../levelData.mjs';
-import BaseDataActor, { commonActorRules } from './base.mjs';
+import { commonActorRules } from './base.mjs';
+import DhCreature from './creature.mjs';
 import { attributeField, resourceField, stressDamageReductionRule, bonusField } from '../fields/actorField.mjs';
 import { ActionField } from '../fields/actionField.mjs';
 import DHCharacterSettings from '../../applications/sheets-configs/character-settings.mjs';
 
-export default class DhCharacter extends BaseDataActor {
+export default class DhCharacter extends DhCreature {
     /**@override */
     static LOCALIZATION_PREFIXES = ['DAGGERHEART.ACTORS.Character'];
 
@@ -131,14 +132,6 @@ export default class DhCharacter extends BaseDataActor {
                     }
                 }
             }),
-            advantageSources: new fields.ArrayField(new fields.StringField(), {
-                label: 'DAGGERHEART.ACTORS.Character.advantageSources.label',
-                hint: 'DAGGERHEART.ACTORS.Character.advantageSources.hint'
-            }),
-            disadvantageSources: new fields.ArrayField(new fields.StringField(), {
-                label: 'DAGGERHEART.ACTORS.Character.disadvantageSources.label',
-                hint: 'DAGGERHEART.ACTORS.Character.disadvantageSources.hint'
-            }),
             levelData: new fields.EmbeddedDataField(DhLevelData),
             bonuses: new fields.SchemaField({
                 roll: new fields.SchemaField({
diff --git a/module/data/actor/companion.mjs b/module/data/actor/companion.mjs
index 40cece72..6f51b593 100644
--- a/module/data/actor/companion.mjs
+++ b/module/data/actor/companion.mjs
@@ -1,4 +1,4 @@
-import BaseDataActor from './base.mjs';
+import DhCreature from './creature.mjs';
 import DhLevelData from '../levelData.mjs';
 import ForeignDocumentUUIDField from '../fields/foreignDocumentUUIDField.mjs';
 import { ActionField } from '../fields/actionField.mjs';
@@ -6,7 +6,7 @@ import { adjustDice, adjustRange } from '../../helpers/utils.mjs';
 import DHCompanionSettings from '../../applications/sheets-configs/companion-settings.mjs';
 import { resourceField, bonusField } from '../fields/actorField.mjs';
 
-export default class DhCompanion extends BaseDataActor {
+export default class DhCompanion extends DhCreature {
     static LOCALIZATION_PREFIXES = ['DAGGERHEART.ACTORS.Companion'];
 
     /**@inheritdoc */
diff --git a/module/data/actor/creature.mjs b/module/data/actor/creature.mjs
new file mode 100644
index 00000000..4b927aed
--- /dev/null
+++ b/module/data/actor/creature.mjs
@@ -0,0 +1,20 @@
+import BaseDataActor from './base.mjs';
+
+export default class DhCreature extends BaseDataActor {
+    /**@inheritdoc */
+    static defineSchema() {
+        const fields = foundry.data.fields;
+
+        return {
+            ...super.defineSchema(),
+            advantageSources: new fields.ArrayField(new fields.StringField(), {
+                label: 'DAGGERHEART.ACTORS.Character.advantageSources.label',
+                hint: 'DAGGERHEART.ACTORS.Character.advantageSources.hint'
+            }),
+            disadvantageSources: new fields.ArrayField(new fields.StringField(), {
+                label: 'DAGGERHEART.ACTORS.Character.disadvantageSources.label',
+                hint: 'DAGGERHEART.ACTORS.Character.disadvantageSources.hint'
+            })
+        };
+    }
+}
diff --git a/system.json b/system.json
index 96636bab..fb23ad7b 100644
--- a/system.json
+++ b/system.json
@@ -2,7 +2,7 @@
     "id": "daggerheart",
     "title": "Daggerheart",
     "description": "An unofficial implementation of the Daggerheart system",
-    "version": "1.7.1",
+    "version": "1.7.2",
     "compatibility": {
         "minimum": "13.346",
         "verified": "13.351",