diff --git a/assets/tetra/lang/en_us.json b/assets/tetra/lang/en_us.json
index d4e4d65..dca047b 100644
--- a/assets/tetra/lang/en_us.json
+++ b/assets/tetra/lang/en_us.json
@@ -1,8 +1,11 @@
 {
   "tetra.advancements.story.more_upgrades.description": "Craft a copper hammer from two sticks and two copper ingots\n \n§8§oTetra begins",
+  "tetra.advancements.upgrades.hammer_3.description": "Craft a double-sided iron hammer, the iron hammer provides tier two hammering capabilities\n\n§7Can only be crafted in a workbench, requires a secondary hammer in your inventory to craft",
   "tetra.advancements.upgrades.hammer_3.title": "Hammer II (Iron)",
-  "tetra.advancements.upgrades.hammer_4.title": "Hammer III (Blackstone)",
-  "tetra.advancements.upgrades.hammer_5.title": "Hammer IV (Obsidian)",
+  "tetra.advancements.upgrades.hammer_4.description": "Craft a double-sided cobalt hammer, the cobalt hammer provides tier three hammering capabilities\n\n§7An upgraded handle or a binding will provide enough integrity to support a cobalt hammer",
+  "tetra.advancements.upgrades.hammer_4.title": "Hammer III (Cobalt)",
+  "tetra.advancements.upgrades.hammer_5.description": "Craft a double-sided diamond hammer, the diamond hammer provides tier four hammering capabilities",
+  "tetra.advancements.upgrades.hammer_5.title": "Hammer IV (Diamond)",
   "tetra.advancements.upgrades.hammer_6.description": "Craft a double-sided dendrite hammer using a fully upgraded forge hammer, the dendrite hammer provides tier six hammering capabilities",
   "tetra.advancements.upgrades.hammer_6.title": "Hammer V (Dendrite)",
   "tetra.advancements.upgrades.root.description": "Craft a mallet from two sticks and two copper ingots\n \nItem Reward: Holosphere",
diff --git a/data/tetra/advancements/upgrades/hammer_4.json b/data/tetra/advancements/upgrades/hammer_4.json
index 3d0ac75..4db7a76 100644
--- a/data/tetra/advancements/upgrades/hammer_4.json
+++ b/data/tetra/advancements/upgrades/hammer_4.json
@@ -2,7 +2,7 @@
     "display": {
         "icon": {
             "item": "tetra:modular_double",
-            "nbt": "{\"id\": \"upgrades/hammer_4\", \"double/head_left\": \"double/basic_hammer_left\",\"double/basic_hammer_left_material\": \"basic_hammer/blackstone\",\"double/head_right\": \"double/basic_hammer_right\",\"double/basic_hammer_right_material\": \"basic_hammer/blackstone\",\"double/handle\": \"double/basic_handle\",\"double/basic_handle_material\": \"basic_handle/stick\"}"
+            "nbt": "{\"id\": \"upgrades/hammer_4\", \"double/head_left\": \"double/basic_hammer_left\",\"double/basic_hammer_left_material\": \"basic_hammer/cobalt\",\"double/head_right\": \"double/basic_hammer_right\",\"double/basic_hammer_right_material\": \"basic_hammer/cobalt\",\"double/handle\": \"double/basic_handle\",\"double/basic_handle_material\": \"basic_handle/stick\"}"
         },
         "frame": "goal",
         "title": {
@@ -18,15 +18,15 @@
             "trigger": "tetra:craft_module",
             "conditions": {
                 "slot": "double/head_left",
-                "variant": "basic_hammer/blackstone"
+                "variant": "basic_hammer/cobalt"
             }
         },
         "head_right": {
             "trigger": "tetra:craft_module",
             "conditions": {
                 "slot": "double/head_right",
-                "variant": "basic_hammer/blackstone"
+                "variant": "basic_hammer/cobalt"
             }
         }
     }
-}
\ No newline at end of file
+}
diff --git a/data/tetra/advancements/upgrades/hammer_5.json b/data/tetra/advancements/upgrades/hammer_5.json
index f1ae720..9224434 100644
--- a/data/tetra/advancements/upgrades/hammer_5.json
+++ b/data/tetra/advancements/upgrades/hammer_5.json
@@ -2,7 +2,7 @@
     "display": {
         "icon": {
             "item": "tetra:modular_double",
-            "nbt": "{\"id\": \"upgrades/hammer_5\", \"double/head_left\": \"double/basic_hammer_left\",\"double/basic_hammer_left_material\": \"basic_hammer/obsidian\",\"double/head_right\": \"double/basic_hammer_right\",\"double/basic_hammer_right_material\": \"basic_hammer/obsidian\",\"double/handle\": \"double/basic_handle\",\"double/basic_handle_material\": \"basic_handle/stick\"}"
+            "nbt": "{\"id\": \"upgrades/hammer_5\", \"double/head_left\": \"double/basic_hammer_left\",\"double/basic_hammer_left_material\": \"basic_hammer/diamond\",\"double/head_right\": \"double/basic_hammer_right\",\"double/basic_hammer_right_material\": \"basic_hammer/diamond\",\"double/handle\": \"double/basic_handle\",\"double/basic_handle_material\": \"basic_handle/stick\"}"
         },
         "frame": "goal",
         "title": {
@@ -18,15 +18,15 @@
             "trigger": "tetra:craft_module",
             "conditions": {
                 "slot": "double/head_left",
-                "variant": "basic_hammer/obsidian"
+                "variant": "basic_hammer/diamond"
             }
         },
         "head_right": {
             "trigger": "tetra:craft_module",
             "conditions": {
                 "slot": "double/head_right",
-                "variant": "basic_hammer/obsidian"
+                "variant": "basic_hammer/diamond"
             }
         }
     }
-}
\ No newline at end of file
+}