diff --git a/src/lang/en.json b/src/lang/en.json
index 015f470..a18a895 100644
--- a/src/lang/en.json
+++ b/src/lang/en.json
@@ -59,6 +59,7 @@
     "OSE.MovementShort": "MOV",
     "OSE.ArmorClass": "Armor Class",
     "OSE.ArmorClassShort": "AC",
+    "OSE.AscArmorClassShort": "AAC",
     "OSE.SpellDC": "DC",
     "OSE.Thac0": "THAC0",
     "OSE.MeleeShort": "MEL",
diff --git a/src/module/actor/actor-sheet.js b/src/module/actor/actor-sheet.js
index d9dc311..f05273f 100644
--- a/src/module/actor/actor-sheet.js
+++ b/src/module/actor/actor-sheet.js
@@ -7,6 +7,16 @@ export class OseActorSheet extends ActorSheet {
     }
     /* -------------------------------------------- */
   
+    getData() {
+      const data = super.getData();
+
+      data.config = CONFIG.OSE;
+      // Settings
+      data.config.ascendingAC = game.settings.get('ose', 'ascendingAC');
+  
+      return data;
+    }
+
     activateListeners(html) {
       html.find('.saving-throw .attribute-name a').click(ev => {
         let actorObject = this.actor;
diff --git a/src/module/actor/character-sheet.js b/src/module/actor/character-sheet.js
index f60d12d..144e430 100644
--- a/src/module/actor/character-sheet.js
+++ b/src/module/actor/character-sheet.js
@@ -38,8 +38,6 @@ export class OseActorSheetCharacter extends OseActorSheet {
    */
   getData() {
     const data = super.getData();
-    
-    data.config = CONFIG.OSE;
 
     for (let [a, score] of Object.entries(data.data.scores)) {
       data.data.scores[a].label = game.i18n.localize(`OSE.scores.${a}`);
diff --git a/src/module/actor/monster-sheet.js b/src/module/actor/monster-sheet.js
index 87c97ec..e0820ff 100644
--- a/src/module/actor/monster-sheet.js
+++ b/src/module/actor/monster-sheet.js
@@ -39,8 +39,6 @@ export class OseActorSheetMonster extends OseActorSheet {
   getData() {
     const data = super.getData();
     
-    data.config = CONFIG.OSE;
-
     // Prepare owned items
     this._prepareItems(data);
 
diff --git a/src/template.json b/src/template.json
index 1c5a2c2..2dab957 100644
--- a/src/template.json
+++ b/src/template.json
@@ -16,6 +16,10 @@
           "value": 0,
           "mod": 0
         },
+        "aac": {
+          "value": 0,
+          "mod": 0
+        },
         "thac0": {
           "value": 19,
           "mod": 0
diff --git a/src/templates/actors/partials/character-attributes-tab.html b/src/templates/actors/partials/character-attributes-tab.html
index d5df2b6..540842b 100644
--- a/src/templates/actors/partials/character-attributes-tab.html
+++ b/src/templates/actors/partials/character-attributes-tab.html
@@ -1,7 +1,8 @@
 <section class="flexrow">
     <ul class="attributes flexrow">
         <li class="attribute health">
-            <h4 class="attribute-name box-title" title="{{ localize 'OSE.Health' }}">{{ localize "OSE.HealthShort" }}</h4>
+            <h4 class="attribute-name box-title" title="{{ localize 'OSE.Health' }}">{{ localize "OSE.HealthShort" }}
+            </h4>
             <div class="attribute-value multiple">
                 <input name="data.hp.value" type="text" value="{{data.hp.value}}" data-dtype="Number"
                     placeholder="10" />
@@ -10,11 +11,21 @@
             </div>
         </li>
         <li class="attribute">
-            <h4 class="attribute-name box-title" title="{{ localize 'OSE.ArmorClass' }}">{{ localize "OSE.ArmorClassShort" }}</h4>
+            {{#if config.ascendingAC}}
+            <h4 class="attribute-name box-title" title="{{ localize 'OSE.ArmorClass' }}">
+                {{ localize "OSE.AscArmorClassShort" }}</h4>
             <div class="attribute-value">
-                <input name="data.ac.value" type="text" value="{{data.ac.value}}" data-dtype="Number"
-                    placeholder="10" data-dtype="Number" />
+                <input name="data.aac.value" type="text" value="{{data.aac.value}}" data-dtype="Number" placeholder="10"
+                    data-dtype="Number" />
             </div>
+            {{else}}
+            <h4 class="attribute-name box-title" title="{{ localize 'OSE.ArmorClass' }}">
+                {{ localize "OSE.ArmorClassShort" }}</h4>
+            <div class="attribute-value">
+                <input name="data.ac.value" type="text" value="{{data.ac.value}}" data-dtype="Number" placeholder="9"
+                    data-dtype="Number" />
+            </div>
+            {{/if}}
         </li>
         <li class="attribute">
             <h4 class="attribute-name box-title" title="{{ localize 'OSE.Thac0' }}">{{ localize "OSE.Thac0" }}</h4>
@@ -25,27 +36,29 @@
         </li>
         {{#if config.individualInit}}
         <li class="attribute">
-            <h4 class="attribute-name box-title" title="{{ localize 'OSE.Initiative' }}">{{ localize "OSE.InitiativeShort" }}</h4>
+            <h4 class="attribute-name box-title" title="{{ localize 'OSE.Initiative' }}">
+                {{ localize "OSE.InitiativeShort" }}</h4>
             <div class="attribute-value">
-                <input name="data.initiative.value" type="text" value="{{data.initiative.value}}"
-                    placeholder="0" data-dtype="Number" />
+                <input name="data.initiative.value" type="text" value="{{data.initiative.value}}" placeholder="0"
+                    data-dtype="Number" />
             </div>
         </li>
         {{/if}}
         {{#if data.retainer.enabled}}
         <li class="attribute">
-            <h4 class="attribute-name box-title" title="{{ localize 'OSE.Loyalty' }}">{{ localize "OSE.LoyaltyShort" }}</h4>
+            <h4 class="attribute-name box-title" title="{{ localize 'OSE.Loyalty' }}">{{ localize "OSE.LoyaltyShort" }}
+            </h4>
             <div class="attribute-value">
-                <input name="data.retainer.loyalty" type="text" value="{{data.retainer.loyalty}}"
-                    placeholder="0" data-dtype="Number" />
+                <input name="data.retainer.loyalty" type="text" value="{{data.retainer.loyalty}}" placeholder="0"
+                    data-dtype="Number" />
             </div>
         </li>
         {{/if}}
         <li class="attribute">
             <h4 class="attribute-name box-title">{{ localize "OSE.MovementShort" }}</h4>
             <div class="attribute-value">
-                <input name="data.movement.value" type="text" value="{{data.movement.value}}"
-                    placeholder="0" data-dtype="Number" />
+                <input name="data.movement.value" type="text" value="{{data.movement.value}}" placeholder="0"
+                    data-dtype="Number" />
             </div>
         </li>
     </ul>
@@ -55,34 +68,46 @@
     <div class="attribute-group">
         <ul class="attributes">
             <li class="attribute ability-score" data-score="str">
-                <h4 class="attribute-name box-title" title="{{ localize 'OSE.scores.str.long' }}"><a>{{ localize "OSE.scores.str.short" }}</a></h4>
+                <h4 class="attribute-name box-title" title="{{ localize 'OSE.scores.str.long' }}">
+                    <a>{{ localize "OSE.scores.str.short" }}</a></h4>
                 <div class="attribute-value">
-                    <input name="data.scores.str.value" type="text" value="{{data.scores.str.value}}" placeholder="0"  data-dtype="Number"/>
+                    <input name="data.scores.str.value" type="text" value="{{data.scores.str.value}}" placeholder="0"
+                        data-dtype="Number" />
             </li>
             <li class="attribute ability-score" data-score="int">
-                <h4 class="attribute-name box-title" title="{{ localize 'OSE.scores.int.long' }}"><a>{{ localize "OSE.scores.int.short" }}</a></h4>
+                <h4 class="attribute-name box-title" title="{{ localize 'OSE.scores.int.long' }}">
+                    <a>{{ localize "OSE.scores.int.short" }}</a></h4>
                 <div class="attribute-value">
-                    <input name="data.scores.int.value" type="text" value="{{data.scores.int.value}}" placeholder="0"  data-dtype="Number"/>
+                    <input name="data.scores.int.value" type="text" value="{{data.scores.int.value}}" placeholder="0"
+                        data-dtype="Number" />
             </li>
             <li class="attribute ability-score" data-score="wis">
-                <h4 class="attribute-name box-title" title="{{ localize 'OSE.scores.wis.long' }}"><a>{{ localize "OSE.scores.wis.short" }}</a></h4>
+                <h4 class="attribute-name box-title" title="{{ localize 'OSE.scores.wis.long' }}">
+                    <a>{{ localize "OSE.scores.wis.short" }}</a></h4>
                 <div class="attribute-value">
-                    <input name="data.scores.wis.value" type="text" value="{{data.scores.wis.value}}" placeholder="0"  data-dtype="Number"/>
+                    <input name="data.scores.wis.value" type="text" value="{{data.scores.wis.value}}" placeholder="0"
+                        data-dtype="Number" />
             </li>
             <li class="attribute ability-score" data-score="dex">
-                <h4 class="attribute-name box-title" title="{{ localize 'OSE.scores.dex.long' }}"><a>{{ localize "OSE.scores.dex.short" }}</a></h4>
+                <h4 class="attribute-name box-title" title="{{ localize 'OSE.scores.dex.long' }}">
+                    <a>{{ localize "OSE.scores.dex.short" }}</a></h4>
                 <div class="attribute-value">
-                    <input name="data.scores.dex.value" type="text" value="{{data.scores.dex.value}}" placeholder="0"  data-dtype="Number"/>
+                    <input name="data.scores.dex.value" type="text" value="{{data.scores.dex.value}}" placeholder="0"
+                        data-dtype="Number" />
             </li>
             <li class="attribute ability-score" data-score="con">
-                <h4 class="attribute-name box-title" title="{{ localize 'OSE.scores.con.long' }}"><a>{{ localize "OSE.scores.con.short" }}</a></h4>
+                <h4 class="attribute-name box-title" title="{{ localize 'OSE.scores.con.long' }}">
+                    <a>{{ localize "OSE.scores.con.short" }}</a></h4>
                 <div class="attribute-value">
-                    <input name="data.scores.con.value" type="text" value="{{data.scores.con.value}}" placeholder="0"  data-dtype="Number"/>
+                    <input name="data.scores.con.value" type="text" value="{{data.scores.con.value}}" placeholder="0"
+                        data-dtype="Number" />
             </li>
             <li class="attribute ability-score" data-score="cha">
-                <h4 class="attribute-name box-title" title="{{ localize 'OSE.scores.cha.long' }}"><a>{{ localize "OSE.scores.cha.short" }}</a></h4>
+                <h4 class="attribute-name box-title" title="{{ localize 'OSE.scores.cha.long' }}">
+                    <a>{{ localize "OSE.scores.cha.short" }}</a></h4>
                 <div class="attribute-value">
-                    <input name="data.scores.cha.value" type="text" value="{{data.scores.cha.value}}" placeholder="0"  data-dtype="Number"/>
+                    <input name="data.scores.cha.value" type="text" value="{{data.scores.cha.value}}" placeholder="0"
+                        data-dtype="Number" />
             </li>
         </ul>
     </div>
@@ -92,7 +117,8 @@
             <h4>{{localize 'OSE.panel.abilities'}}</h4>
             <div class="item-controls">
                 {{#if owner}}
-                <a class="item-control item-create" title='{{localize "OSE.Add"}}' data-type="ability"><i class="fas fa-plus"></i></a>
+                <a class="item-control item-create" title='{{localize "OSE.Add"}}' data-type="ability"><i
+                        class="fas fa-plus"></i></a>
                 {{/if}}
             </div>
         </div>
@@ -125,33 +151,39 @@
     <div class="attribute-group">
         <ul class="attributes">
             <li class="attribute saving-throw" data-save="death">
-                <h4 class="attribute-name box-title" title="{{ localize 'OSE.saves.death.long' }}"><a>{{ localize "OSE.saves.death.short" }}</a></h4>
+                <h4 class="attribute-name box-title" title="{{ localize 'OSE.saves.death.long' }}">
+                    <a>{{ localize "OSE.saves.death.short" }}</a></h4>
                 <div class="attribute-value">
                     <input name="data.saves.death.value" type="text" value="{{data.saves.death.value}}" placeholder="0"
                         data-dtype="Number" />
             </li>
             <li class="attribute saving-throw" data-save="wand">
-                <h4 class="attribute-name box-title" title="{{ localize 'OSE.saves.wand.long' }}"><a>{{ localize "OSE.saves.wand.short" }}</a></h4>
+                <h4 class="attribute-name box-title" title="{{ localize 'OSE.saves.wand.long' }}">
+                    <a>{{ localize "OSE.saves.wand.short" }}</a></h4>
                 <div class="attribute-value">
                     <input name="data.saves.wand.value" type="text" value="{{data.saves.wand.value}}" placeholder="0"
                         data-dtype="Number" />
             </li>
             <li class="attribute saving-throw" data-save="paralysis">
-                <h4 class="attribute-name box-title" title="{{ localize 'OSE.saves.paralysis.long' }}"><a>{{ localize "OSE.saves.paralysis.short" }}</a></h4>
+                <h4 class="attribute-name box-title" title="{{ localize 'OSE.saves.paralysis.long' }}">
+                    <a>{{ localize "OSE.saves.paralysis.short" }}</a></h4>
                 <div class="attribute-value">
-                    <input name="data.saves.paralysis.value" type="text" value="{{data.saves.paralysis.value}}" placeholder="0"
-                        data-dtype="Number" />
+                    <input name="data.saves.paralysis.value" type="text" value="{{data.saves.paralysis.value}}"
+                        placeholder="0" data-dtype="Number" />
             </li>
             <li class="attribute saving-throw" data-save="breath">
-                <h4 class="attribute-name box-title" title="{{ localize 'OSE.saves.breath.long' }}"><a>{{ localize "OSE.saves.breath.short" }}</a></h4>
+                <h4 class="attribute-name box-title" title="{{ localize 'OSE.saves.breath.long' }}">
+                    <a>{{ localize "OSE.saves.breath.short" }}</a></h4>
                 <div class="attribute-value">
-                    <input name="data.saves.breath.value" type="text" value="{{data.saves.breath.value}}" placeholder="0"
-                        data-dtype="Number" />
+                    <input name="data.saves.breath.value" type="text" value="{{data.saves.breath.value}}"
+                        placeholder="0" data-dtype="Number" />
             </li>
             <li class="attribute saving-throw" data-save="spell">
-                <h4 class="attribute-name box-title" title="{{ localize 'OSE.saves.spell.long' }}"><a>{{ localize "OSE.saves.spell.short" }}</a></h4>
+                <h4 class="attribute-name box-title" title="{{ localize 'OSE.saves.spell.long' }}">
+                    <a>{{ localize "OSE.saves.spell.short" }}</a></h4>
                 <div class="attribute-value">
-                    <input name="data.saves.spell.value" type="text" value="{{data.saves.spell.value}}" placeholder="0" />
+                    <input name="data.saves.spell.value" type="text" value="{{data.saves.spell.value}}"
+                        placeholder="0" />
             </li>
         </ul>
     </div>
diff --git a/src/templates/actors/partials/monster-attributes-tab.html b/src/templates/actors/partials/monster-attributes-tab.html
index 810aaa4..de5c26c 100644
--- a/src/templates/actors/partials/monster-attributes-tab.html
+++ b/src/templates/actors/partials/monster-attributes-tab.html
@@ -10,11 +10,21 @@
             </div>
         </li>
         <li class="attribute">
-            <h4 class="attribute-name box-title" title="{{localize 'OSE.ArmorClass'}}">{{ localize "OSE.ArmorClassShort" }}</h4>
+            {{#if config.ascendingAC}}
+            <h4 class="attribute-name box-title" title="{{ localize 'OSE.ArmorClass' }}">
+                {{ localize "OSE.AscArmorClassShort" }}</h4>
             <div class="attribute-value">
-                <input name="data.ac.value" type="text" value="{{data.ac.value}}" data-dtype="Number" placeholder="10"
+                <input name="data.aac.value" type="text" value="{{data.aac.value}}" data-dtype="Number" placeholder="10"
                     data-dtype="Number" />
             </div>
+            {{else}}
+            <h4 class="attribute-name box-title" title="{{ localize 'OSE.ArmorClass' }}">
+                {{ localize "OSE.ArmorClassShort" }}</h4>
+            <div class="attribute-value">
+                <input name="data.ac.value" type="text" value="{{data.ac.value}}" data-dtype="Number" placeholder="9"
+                    data-dtype="Number" />
+            </div>
+            {{/if}}
         </li>
         <li class="attribute">
             <h4 class="attribute-name box-title" title="{{localize 'OSE.Thac0'}}">{{ localize "OSE.Thac0" }}</h4>
@@ -24,7 +34,8 @@
             </div>
         </li>
         <li class="attribute">
-            <h4 class="attribute-name box-title" title="{{localize 'OSE.Attacks'}}">{{ localize "OSE.AttacksShort" }}</h4>
+            <h4 class="attribute-name box-title" title="{{localize 'OSE.Attacks'}}">{{ localize "OSE.AttacksShort" }}
+            </h4>
             <div class="attribute-value">
                 <input name="data.att.value" type="text" value="{{data.att.value}}" placeholder="0"
                     data-dtype="Number" />
@@ -32,15 +43,17 @@
         </li>
         {{#if data.retainer.enabled}}
         <li class="attribute">
-            <h4 class="attribute-name box-title" title="{{ localize 'OSE.Loyalty' }}">{{ localize "OSE.LoyaltyShort" }}</h4>
+            <h4 class="attribute-name box-title" title="{{ localize 'OSE.Loyalty' }}">{{ localize "OSE.LoyaltyShort" }}
+            </h4>
             <div class="attribute-value">
-                <input name="data.retainer.loyalty" type="text" value="{{data.retainer.loyalty}}"
-                    placeholder="0" data-dtype="Number" />
+                <input name="data.retainer.loyalty" type="text" value="{{data.retainer.loyalty}}" placeholder="0"
+                    data-dtype="Number" />
             </div>
         </li>
         {{/if}}
         <li class="attribute">
-            <h4 class="attribute-name box-title" title="{{localize 'OSE.Movement'}}">{{ localize "OSE.MovementShort" }}</h4>
+            <h4 class="attribute-name box-title" title="{{localize 'OSE.Movement'}}">{{ localize "OSE.MovementShort" }}
+            </h4>
             <div class="attribute-value">
                 <input name="data.movement.value" type="text" value="{{data.movement.value}}" placeholder="0"
                     data-dtype="Number" />
@@ -54,7 +67,8 @@
             <h4>{{localize 'OSE.panel.abilities'}}</h4>
             <div class="item-controls">
                 {{#if owner}}
-                <a class="item-control item-create" title='{{localize "OSE.Add"}}' data-type="ability"><i class="fas fa-plus"></i></a>
+                <a class="item-control item-create" title='{{localize "OSE.Add"}}' data-type="ability"><i
+                        class="fas fa-plus"></i></a>
                 {{/if}}
             </div>
         </div>
@@ -89,7 +103,8 @@
             <h4>{{localize 'OSE.panel.equipment'}}</h4>
             <div class="item-controls">
                 {{#if owner}}
-                <a class="item-control item-create" title='{{localize "OSE.Add"}}' data-type="item"><i class="fas fa-plus"></i></a>
+                <a class="item-control item-create" title='{{localize "OSE.Add"}}' data-type="item"><i
+                        class="fas fa-plus"></i></a>
                 {{/if}}
             </div>
         </div>
@@ -122,33 +137,39 @@
     <div class="attribute-group">
         <ul class="attributes">
             <li class="attribute saving-throw" data-save="death">
-                <h4 class="attribute-name box-title" title="{{ localize 'OSE.saves.death.long' }}"><a>{{ localize "OSE.saves.death.short" }}</a></h4>
+                <h4 class="attribute-name box-title" title="{{ localize 'OSE.saves.death.long' }}">
+                    <a>{{ localize "OSE.saves.death.short" }}</a></h4>
                 <div class="attribute-value">
                     <input name="data.saves.death.value" type="text" value="{{data.saves.death.value}}" placeholder="0"
                         data-dtype="Number" />
             </li>
             <li class="attribute saving-throw" data-save="wand">
-                <h4 class="attribute-name box-title" title="{{ localize 'OSE.saves.wand.long' }}"><a>{{ localize "OSE.saves.wand.short" }}</a></h4>
+                <h4 class="attribute-name box-title" title="{{ localize 'OSE.saves.wand.long' }}">
+                    <a>{{ localize "OSE.saves.wand.short" }}</a></h4>
                 <div class="attribute-value">
                     <input name="data.saves.wand.value" type="text" value="{{data.saves.wand.value}}" placeholder="0"
                         data-dtype="Number" />
             </li>
             <li class="attribute saving-throw" data-save="paralysis">
-                <h4 class="attribute-name box-title" title="{{ localize 'OSE.saves.paralysis.long' }}"><a>{{ localize "OSE.saves.paralysis.short" }}</a></h4>
+                <h4 class="attribute-name box-title" title="{{ localize 'OSE.saves.paralysis.long' }}">
+                    <a>{{ localize "OSE.saves.paralysis.short" }}</a></h4>
                 <div class="attribute-value">
-                    <input name="data.saves.paralysis.value" type="text" value="{{data.saves.paralysis.value}}" placeholder="0"
-                        data-dtype="Number" />
+                    <input name="data.saves.paralysis.value" type="text" value="{{data.saves.paralysis.value}}"
+                        placeholder="0" data-dtype="Number" />
             </li>
             <li class="attribute saving-throw" data-save="breath">
-                <h4 class="attribute-name box-title" title="{{ localize 'OSE.saves.breath.long' }}"><a>{{ localize "OSE.saves.breath.short" }}</a></h4>
+                <h4 class="attribute-name box-title" title="{{ localize 'OSE.saves.breath.long' }}">
+                    <a>{{ localize "OSE.saves.breath.short" }}</a></h4>
                 <div class="attribute-value">
-                    <input name="data.saves.breath.value" type="text" value="{{data.saves.breath.value}}" placeholder="0"
-                        data-dtype="Number" />
+                    <input name="data.saves.breath.value" type="text" value="{{data.saves.breath.value}}"
+                        placeholder="0" data-dtype="Number" />
             </li>
             <li class="attribute saving-throw" data-save="spell">
-                <h4 class="attribute-name box-title" title="{{ localize 'OSE.saves.spell.long' }}"><a>{{ localize "OSE.saves.spell.short" }}</a></h4>
+                <h4 class="attribute-name box-title" title="{{ localize 'OSE.saves.spell.long' }}">
+                    <a>{{ localize "OSE.saves.spell.short" }}</a></h4>
                 <div class="attribute-value">
-                    <input name="data.saves.spell.value" type="text" value="{{data.saves.spell.value}}" placeholder="0" />
+                    <input name="data.saves.spell.value" type="text" value="{{data.saves.spell.value}}"
+                        placeholder="0" />
             </li>
         </ul>
     </div>