diff --git a/datapack/data/feathermc/origins/avian.json b/datapack/data/feathermc/origins/avian.json
index 89d90bb..5bca6fb 100644
--- a/datapack/data/feathermc/origins/avian.json
+++ b/datapack/data/feathermc/origins/avian.json
@@ -2,7 +2,8 @@
   "name": "Avian",
   "description": "A feathered creature that prefers to live up high, is lightweight and can glide.",
   "powers": [
-    "feathermc:frail_flight"
+    "feathermc:frail_flight",
+    "feathermc:armor_slow"
   ],
   "order": 0,
   "impact": 2
diff --git a/datapack/data/feathermc/origins/bat.json b/datapack/data/feathermc/origins/bat.json
new file mode 100644
index 0000000..9d3984c
--- /dev/null
+++ b/datapack/data/feathermc/origins/bat.json
@@ -0,0 +1,10 @@
+{
+  "name": "Bat",
+  "description": "A winged creature that prefers to stay in caves during the day. Adapted to low or nolight it can have difficulties dealing with day light.",
+  "powers": [
+    "feathermc:frail_flight",
+    "feathermc:armor_slow"
+  ],
+  "order": 1,
+  "impact": 2
+}
diff --git a/datapack/data/feathermc/powers/armor_slow.json b/datapack/data/feathermc/powers/armor_slow.json
new file mode 100644
index 0000000..0066806
--- /dev/null
+++ b/datapack/data/feathermc/powers/armor_slow.json
@@ -0,0 +1,31 @@
+{
+  "type": "origins:action_over_time",
+  "name": "Thin Limbs",
+  "description": "Your light build does not allow you to wear heavy armor without it slowing you down.",
+  "badges": [
+    {
+      "sprite": "minecraft:textures/item/bone.png",
+      "text": "Ooh, shiny!"
+    }
+  ],
+  "entity_action": {
+    "type": "origins:apply_effect",
+    "effects": [
+      {
+        "id": "minecraft:slowness",
+        "amplifier": 1,
+        "duration": 100,
+        "is_ambient": false,
+        "show_particles": false,
+        "show_icon": false
+      }
+    ]
+  },
+  "tick_rate": 100,
+  "condition": {
+    "type": "origins:attribute",
+    "attribute": "minecraft:generic.armor",
+    "comparison": ">=",
+    "compare_to": 14
+  }
+}
diff --git a/datapack/data/feathermc/powers/frail_flight.json b/datapack/data/feathermc/powers/frail_flight.json
index f887b74..299a190 100644
--- a/datapack/data/feathermc/powers/frail_flight.json
+++ b/datapack/data/feathermc/powers/frail_flight.json
@@ -1,7 +1,6 @@
 {
   "type": "origins:elytra_flight",
   "name": "Frail Flight",
-  "icon": "minecraft:elytra",
   "description": "Able to use your wings to glide but only when you're not hurt.",
   "render_elytra": true,
   "condition": {
diff --git a/datapack/data/origins/origin_layers/origin.json b/datapack/data/origins/origin_layers/origin.json
index 5245f1c..599a4be 100644
--- a/datapack/data/origins/origin_layers/origin.json
+++ b/datapack/data/origins/origin_layers/origin.json
@@ -1,6 +1,7 @@
 {
   "replace": false,
   "origins": [
-    "feathermc:avian"
+    "feathermc:avian",
+    "feathermc:bat"
   ]
 }