diff --git a/alterations/ARMOR_DARK_LEATHER.json b/alterations/ARMOR_DARK_LEATHER.json
index 5c8be83..8eebe84 100644
--- a/alterations/ARMOR_DARK_LEATHER.json
+++ b/alterations/ARMOR_DARK_LEATHER.json
@@ -1,18 +1,21 @@
 {
-  "type": "com.pixelized.shared.lwa.model.alteration.AlterationJsonV1",
-  "id": "ARMOR_DARK_LEATHER",
-  "metadata": {
-    "name": "Armure de cuir sombre",
-    "description": "Armure cuir sombre, idéale pour se fondre dans la pénombre"
-  },
-  "fields": [
-    {
-      "fieldId": "ARMOR",
-      "expression": "+1"
+    "type": "com.pixelized.shared.lwa.model.alteration.AlterationJsonV1",
+    "id": "ARMOR_DARK_LEATHER",
+    "metadata": {
+        "name": "Armure de cuir sombre",
+        "description": "Armure cuir sombre, idéale pour se fondre dans la pénombre"
     },
-    {
-      "fieldId": "DISCRETION",
-      "expression": "+10"
-    }
-  ]
+    "tags": [
+        "EQUIPMENT"
+    ],
+    "fields": [
+        {
+            "fieldId": "ARMOR",
+            "expression": "1"
+        },
+        {
+            "fieldId": "DISCRETION",
+            "expression": "10"
+        }
+    ]
 }
\ No newline at end of file
diff --git a/alterations/METAMOPHOSIS_WOLF.json b/alterations/METAMORPHOSIS_WOLF.json
similarity index 95%
rename from alterations/METAMOPHOSIS_WOLF.json
rename to alterations/METAMORPHOSIS_WOLF.json
index bf6bd52..8bc8480 100644
--- a/alterations/METAMOPHOSIS_WOLF.json
+++ b/alterations/METAMORPHOSIS_WOLF.json
@@ -1,10 +1,13 @@
 {
   "type": "com.pixelized.shared.lwa.model.alteration.AlterationJsonV1",
-  "id": "METAMOPHOSIS_WOLF",
+  "id": "METAMORPHOSIS_WOLF",
   "metadata": {
     "name": "Forme de loup",
     "description": "Capacité spécial des maks de la tribue Palok."
   },
+  "tags": [
+    "METAMORPHOSIS"
+  ],
   "fields": [
     {
       "fieldId": "THUMBNAIL",
diff --git a/alterations/TATOO_HANNA.json b/alterations/TATOO_HANNA.json
index 0170e4c..efb77be 100644
--- a/alterations/TATOO_HANNA.json
+++ b/alterations/TATOO_HANNA.json
@@ -1,14 +1,17 @@
 {
-  "type": "com.pixelized.shared.lwa.model.alteration.AlterationJsonV1",
-  "id": "TATOO_HANNA",
-  "metadata": {
-    "name": "Tatouage des Dorveille",
-    "description": "Tatouage héréditaire de la famille Dorveille."
-  },
-  "fields": [
-    {
-      "fieldId": "PP",
-      "expression": "-2"
-    }
-  ]
+    "type": "com.pixelized.shared.lwa.model.alteration.AlterationJsonV1",
+    "id": "TATOO_HANNA",
+    "metadata": {
+        "name": "Tatouage des Dorveille",
+        "description": "Tatouage héréditaire de la famille Dorveille."
+    },
+    "tags": [
+        "TATOO"
+    ],
+    "fields": [
+        {
+            "fieldId": "PP",
+            "expression": "-(2)"
+        }
+    ]
 }
\ No newline at end of file
diff --git a/alterations/TATOO_MAK.json b/alterations/TATOO_MAK.json
index b3b08eb..ce8be47 100644
--- a/alterations/TATOO_MAK.json
+++ b/alterations/TATOO_MAK.json
@@ -1,14 +1,17 @@
 {
-  "type": "com.pixelized.shared.lwa.model.alteration.AlterationJsonV1",
-  "id": "TATOO_MAK",
-  "metadata": {
-    "name": "Tatouage Mak",
-    "description": "Tatouage des Mak permettant la transformation en loup."
-  },
-  "fields": [
-    {
-      "fieldId": "PP",
-      "expression": "-2"
-    }
-  ]
+    "type": "com.pixelized.shared.lwa.model.alteration.AlterationJsonV1",
+    "id": "TATOO_MAK",
+    "metadata": {
+        "name": "Tatouage Mak",
+        "description": "Tatouage des Mak permettant la transformation en loup."
+    },
+    "tags": [
+        "TATOO"
+    ],
+    "fields": [
+        {
+            "fieldId": "PP",
+            "expression": "-(2)"
+        }
+    ]
 }
\ No newline at end of file
diff --git a/alterations/TATOO_MET_KHAFU.json b/alterations/TATOO_MET_KHAFU.json
index e1b0b7c..559f1ed 100644
--- a/alterations/TATOO_MET_KHAFU.json
+++ b/alterations/TATOO_MET_KHAFU.json
@@ -1,14 +1,17 @@
 {
-  "type": "com.pixelized.shared.lwa.model.alteration.AlterationJsonV1",
-  "id": "TATOO_MET_KHAFU",
-  "metadata": {
-    "name": "Tatouage de Met' Khafu",
-    "description": "Tatouage symbole d'un contrat partiel avec Met' Khafu."
-  },
-  "fields": [
-    {
-      "fieldId": "PP",
-      "expression": "-4"
-    }
-  ]
+    "type": "com.pixelized.shared.lwa.model.alteration.AlterationJsonV1",
+    "id": "TATOO_MET_KHAFU",
+    "metadata": {
+        "name": "Tatouage de Met' Khafu",
+        "description": "Tatouage symbole d'un contrat partiel avec Met' Khafu."
+    },
+    "tags": [
+        "TATOO"
+    ],
+    "fields": [
+        {
+            "fieldId": "PP",
+            "expression": "-(4)"
+        }
+    ]
 }
\ No newline at end of file
diff --git a/alterations/TATOO_NYMPH.json b/alterations/TATOO_NYMPH.json
index e66c853..175a33e 100644
--- a/alterations/TATOO_NYMPH.json
+++ b/alterations/TATOO_NYMPH.json
@@ -1,14 +1,17 @@
 {
-  "type": "com.pixelized.shared.lwa.model.alteration.AlterationJsonV1",
-  "id": "TATOO_NYMPH",
-  "metadata": {
-    "name": "Tatouage de la nymphe",
-    "description": "Tatouage de de la Nymphe prodigué par Eyden Neige-Crin."
-  },
-  "fields": [
-    {
-      "fieldId": "PP",
-      "expression": "-3"
-    }
-  ]
+    "type": "com.pixelized.shared.lwa.model.alteration.AlterationJsonV1",
+    "id": "TATOO_NYMPH",
+    "metadata": {
+        "name": "Tatouage de la nymphe",
+        "description": "Tatouage de de la Nymphe prodigué par Eyden Neige-Crin."
+    },
+    "tags": [
+        "TATOO"
+    ],
+    "fields": [
+        {
+            "fieldId": "PP",
+            "expression": "-(3)"
+        }
+    ]
 }
\ No newline at end of file
diff --git a/tags/alteration.json b/tags/alteration.json
new file mode 100644
index 0000000..ccf28ab
--- /dev/null
+++ b/tags/alteration.json
@@ -0,0 +1,17 @@
+[
+    {
+        "type": "com.pixelized.shared.lwa.model.tag.TagJsonV1",
+        "id": "METAMORPHOSIS",
+        "label": "Métamorphose"
+    },
+    {
+        "type": "com.pixelized.shared.lwa.model.tag.TagJsonV1",
+        "id": "TATOO",
+        "label": "Tatouage"
+    },
+    {
+        "type": "com.pixelized.shared.lwa.model.tag.TagJsonV1",
+        "id": "EQUIPMENT",
+        "label": "Équipement"
+    }
+]
\ No newline at end of file
diff --git a/tags/character.json b/tags/character.json
new file mode 100644
index 0000000..9b1a5f8
--- /dev/null
+++ b/tags/character.json
@@ -0,0 +1,12 @@
+[
+    {
+        "type": "com.pixelized.shared.lwa.model.tag.TagJsonV1",
+        "id": "PLAYER",
+        "label": "Joueur"
+    },
+    {
+        "type": "com.pixelized.shared.lwa.model.tag.TagJsonV1",
+        "id": "NPC",
+        "label": "Npc"
+    }
+]
\ No newline at end of file