diff --git a/Bot/HackerBattle.fs b/Bot/HackerBattle.fs
index 055ee7e..f60c793 100644
--- a/Bot/HackerBattle.fs
+++ b/Bot/HackerBattle.fs
@@ -56,9 +56,8 @@ let checkPlayerHasShieldSlotsAvailable (shield : Item) player =
         Error $"You are only allowed two shields at a time. Wait {cooldown} to add another shield"
     | false -> Ok updatedPlayer
 
-// TODO H: Need to update the new hacker game mechanics
 let calculateDamage (hack : Item) (shield : Item) =
-    if hack.Power < shield.Power
+    if hack.Class = shield.Class
         then Weak
         else Strong
 
diff --git a/Bot/Items.json b/Bot/Items.json
index 3f3c49d..b9d48df 100644
--- a/Bot/Items.json
+++ b/Bot/Items.json
@@ -6,6 +6,7 @@
     "Price": 0,
     "Power": 10,
     "Cooldown": 2,
+    "Class": 0,
     "Attributes": {
       "Sell": false,
       "Buy": false,
@@ -20,6 +21,7 @@
     "Price": 500,
     "Power": 50,
     "Cooldown": 2,
+    "Class": 1,
     "Attributes": {
       "Sell": true,
       "Buy": true,
@@ -34,6 +36,7 @@
     "Price": 5000,
     "Power": 80,
     "Cooldown": 2,
+    "Class": 2,
     "Attributes": {
       "Sell": true,
       "Buy": true,
@@ -47,6 +50,7 @@
     "Type": 1,
     "Price": 0,
     "Power": 10,
+    "Class": 0,
     "Cooldown": 600,
     "Attributes": {
       "Sell": false,
@@ -56,11 +60,12 @@
     }
   },
   {
-    "Id": 8,
-    "Name": "Cypher",
+    "Id": 7,
+    "Name": "Encryption",
     "Type": 1,
-    "Price": 500,
-    "Power": 50,
+    "Price": 5000,
+    "Power": 80,
+    "Class": 1,
     "Cooldown": 600,
     "Attributes": {
       "Sell": true,
@@ -70,11 +75,12 @@
     }
   },
   {
-    "Id": 7,
-    "Name": "Encryption",
+    "Id": 8,
+    "Name": "Cypher",
     "Type": 1,
-    "Price": 5000,
-    "Power": 80,
+    "Price": 500,
+    "Power": 50,
+    "Class": 2,
     "Cooldown": 600,
     "Attributes": {
       "Sell": true,
diff --git a/Shared/Shared.fs b/Shared/Shared.fs
index bc2ccc7..68513d3 100644
--- a/Shared/Shared.fs
+++ b/Shared/Shared.fs
@@ -65,6 +65,7 @@ module Types =
         Price : int<GBT>
         Type : ItemType
         Power : int
+        Class : int
         Cooldown : int<mins>
         Attributes : ItemAttributes
     }
@@ -74,6 +75,7 @@ module Types =
             Price = 0<GBT>
             Type = ItemType.Hack
             Power = 0
+            Class = -1
             Cooldown = 0<mins>
             Attributes = ItemAttributes.empty }