diff --git a/classes/beastfile.lua b/classes/beastfile.lua
index c5d34bd..fa7ce28 100644
--- a/classes/beastfile.lua
+++ b/classes/beastfile.lua
@@ -38,6 +38,10 @@ function BeastFile:loadMixin(mixin)
     end
 end
 
+function BeastFile:forceName(name)
+    self.datas:forceName(name)
+end
+
 function BeastFile:prepareJson(simplercreatures, creatures, parent)
     assert(simplercreatures ~= nil)
     assert(creatures ~= nil)
diff --git a/classes/datalist.lua b/classes/datalist.lua
index 7db1f34..a95b2dc 100644
--- a/classes/datalist.lua
+++ b/classes/datalist.lua
@@ -67,7 +67,8 @@ function DataList.getHolder(key, value)
 end
 
 function DataList:new(forceLevel)
-    self.forceLevel = forceLevel
+    self.forcedLevel = forceLevel
+    self.forcedName = nil
     self.list = {}
     self.holders = {}
     self.reducedList = {}
@@ -83,6 +84,10 @@ function DataList:addLine(line)
     table.insert(self.list, RawData.fromLine(line))
 end
 
+function DataList:forceName(name)
+    self.forcedName = name
+end
+
 function DataList:reduce()
     local level = 0
     local mode = "creature"
@@ -96,8 +101,8 @@ function DataList:reduce()
     end
 
 
-    if (self.forceLevel ~= nil) then
-        level = self.forceLevel
+    if (self.forcedLevel ~= nil) then
+        level = self.forcedLevel
     end
 
     for _, rawdata in ipairs(self.list) do
@@ -111,8 +116,12 @@ function DataList:reduce()
         self:addToReducedList(key, holder:reduce(level, mode))
     end
 
-    if (self.forceLevel ~= nil) then
-        self.reducedList["level"] = self.forceLevel
+    if (self.forcedLevel ~= nil) then
+        self.reducedList["level"] = self.forcedLevel
+    end
+
+    if (self.forcedName ~= nil) then
+        self.reducedList["name"] = self.forcedName
     end
 end
 
diff --git a/classes/folderloader.lua b/classes/folderloader.lua
index 82a5f5d..78d3fed 100644
--- a/classes/folderloader.lua
+++ b/classes/folderloader.lua
@@ -1,5 +1,6 @@
 local FolderLoader = Object:extend()
 local BeastFile = require "classes.beastfile"
+local GroupFile = require "classes.groupfile"
 
 function FolderLoader.getAllDatas(value, bestiaires, creatures)
     local folderLoader = FolderLoader(value)
@@ -21,6 +22,8 @@ function FolderLoader:new(value)
         local file = utils.split(filename, ".", true)
         if (file[2] == "beast") then
             table.insert(self.files, BeastFile(self.folder, filename))
+        elseif (file[2] == "group") then
+            table.insert(self.files, GroupFile(self.folder, filename))
         else
             print("[WARNING] Unknown extension " .. file[2] .. " for " .. filename)
         end
diff --git a/classes/groupfile.lua b/classes/groupfile.lua
new file mode 100644
index 0000000..ab51810
--- /dev/null
+++ b/classes/groupfile.lua
@@ -0,0 +1,64 @@
+local GroupFile = Object:extend()
+local BeastFile = require "classes.beastfile"
+
+local parseFile = require "libs.filereader"
+
+function GroupFile:new(folder, name, forceLevel)
+    self.filepath = folder .. "/" .. name
+    print("Loading " .. self.filepath)
+    self.datas = {}
+
+    self:readLines()
+end
+
+function GroupFile:readLines()
+    self:readAllLines(self.filepath)
+end
+
+function GroupFile:readAllLines(path)
+    parseFile(path, function (line) self:addLine(line) end)
+end
+
+function GroupFile:addLine(line)
+    if (utils.startswith(line, "beast;") or utils.startswith(line, "beasts;")) then
+        local datas = utils.split(line, ";", true)
+        self:addBeast(datas[2], datas[3], datas[4], self:getMixins(datas))
+    end
+end
+
+function GroupFile:getMixins(datas)
+    if (#datas < 4) then
+        return {}
+    else
+        local list = {}
+        for index, value in ipairs(datas) do
+            if (index > 4) then
+                table.insert(list, value)
+            end
+        end
+        return list
+    end
+end
+
+function GroupFile:addBeast(name, level, baseFile, mixins)
+    local beast = BeastFile("data", baseFile .. ".beast", tonumber(level))
+    if (#mixins > 0) then
+        for index, mixin in ipairs(mixins) do
+            beast:loadMixin(mixin)
+        end
+    end
+    
+    beast:forceName(name)
+    table.insert(self.datas, beast)
+end
+
+function GroupFile:prepareJson(simplercreatures, creatures, parent)
+    assert(simplercreatures ~= nil)
+    assert(creatures ~= nil)
+    --self.datas:prepareJson(simplercreatures, creatures, parent)
+    for _, beast in ipairs(self.datas) do
+        beast:prepareJson(simplercreatures, creatures, parent)
+    end
+end
+
+return GroupFile
\ No newline at end of file
diff --git a/data/animaux/canides.group b/data/animaux/canides.group
new file mode 100644
index 0000000..d2dee36
--- /dev/null
+++ b/data/animaux/canides.group
@@ -0,0 +1,6 @@
+beast;Chien;0;generique/canides
+beast;Petit Chien;0;generique/canides;bases/tailles/petit
+beast;Chien-Loup;3;generique/canides
+beast;Loup;6;generique/canides
+beast;Chef-Loup;7;generique/canides
+beast;Loup Géant;9;generique/canides;bases/tailles/grand
\ No newline at end of file
diff --git a/data/animaux/chien.beast b/data/animaux/chien.beast
deleted file mode 100644
index aa813cd..0000000
--- a/data/animaux/chien.beast
+++ /dev/null
@@ -1,3 +0,0 @@
-mixins;generique/canides
-
-name;Chien // nom de la créature
\ No newline at end of file
diff --git a/data/animaux/chienloup.beast b/data/animaux/chienloup.beast
deleted file mode 100644
index c1dfda3..0000000
--- a/data/animaux/chienloup.beast
+++ /dev/null
@@ -1,3 +0,0 @@
-mixins;generique/canides
-name;Chien-Loup // nom de la créature
-level;2
\ No newline at end of file
diff --git a/data/animaux/loup.beast b/data/animaux/loup.beast
deleted file mode 100644
index 6ca3ce1..0000000
--- a/data/animaux/loup.beast
+++ /dev/null
@@ -1,3 +0,0 @@
-mixins;generique/canides
-name;Loup
-level;5
\ No newline at end of file
diff --git a/data/animaux/loupchef.beast b/data/animaux/loupchef.beast
deleted file mode 100644
index 5ae7a68..0000000
--- a/data/animaux/loupchef.beast
+++ /dev/null
@@ -1,5 +0,0 @@
-mixins;animaux/loup
-name;Loup en Chef // nom de la créature
-level;6
-
-skill;Chef de meute;Peut ajouter +1 dégat brut à une attaque par loup présent, mais perdra 50% pour esquiver et encaisser au tour suivant. Cinq tours de cooldown;
\ No newline at end of file