diff --git a/Assets/PlayFabEditorExtensions/Editor/Resources/.CloudScript.js b/Assets/PlayFabEditorExtensions/Editor/Resources/.CloudScript.js
index 89635c017..c1faa215c 100644
--- a/Assets/PlayFabEditorExtensions/Editor/Resources/.CloudScript.js
+++ b/Assets/PlayFabEditorExtensions/Editor/Resources/.CloudScript.js
@@ -954,7 +954,7 @@ handlers.Save_PC_LimitSlotOptionChange = function(args)
             var grade = Get_RandomGachaGrade(lv);
             //log.info("등급 : " + grade);
             // 랜덤백에서 아이템 id 얻기
-            var optionitemID = Get_RandomItemId(lsmc_data.n_DropIndex, grade);
+            var optionitemID = Get_RandomItem(lsmc_data.n_DropIndex, grade).itemid;
             //log.info("랜덤백 ID : " + optionitemID);
             // 인챈트그레이드에서 옵션 레벨 얻기
             var olv = Get_OptionLv(grade);
@@ -1455,7 +1455,7 @@ handlers.Save_Pet_Gacha = function(args)
         var petlist = [];
         for (let i = 0; i < amount; i++)
         {
-            var petid = Get_RandomItemId(9000001, urod.PetData.GachaLv);
+            var petid = Get_RandomItem(9000001, urod.PetData.GachaLv).itemid;
             petlist.push(petid);
             Add_Item(table, itemtable, urod, petid, 1);
         }
@@ -1525,6 +1525,45 @@ handlers.Save_Pet_Equip = function(args)
     Set_JsonUserData(urod);
     return Get_Return(0);
 }
+
+handlers.Save_Essence_Change = function(args)
+{
+    var readonlydata = Get_UserReadOnlyData();
+    var error = Get_Error(readonlydata, args.Token);
+    if (error < 0) return Get_Return(error);
+
+    var urod = Get_JsonUserData(readonlydata);
+
+    var table = Get_MissionTable();
+    if (Use_Item(table, urod, args.EssenceID, args.Amount))
+    {
+        var itemtable = Get_ItemTable();
+        var rewards = [];
+        var randombagid = Get_GlobalValue_nValue("n_EssenceRandomBagID");
+        var mileageid = Get_GlobalValue_nValue("n_EssenceMileageID");
+        var mileagevalue = itemtable.find(f=>f.n_ItemID == args.EssenceID).n_ItemValue;
+        for (var i = 0; i < args.Amount; i++)
+        {
+            var grade = Get_EssenceRateGrade(args.EssenceID);
+            var item = Get_RandomItem(randombagid, grade);
+            Add_Item(table, itemtable, urod, item.itemid, item.amount);
+            Add_Item(table, itemtable, urod, mileageid, mileagevalue); // 마일리지 축적
+
+            var temp = rewards.find(f=>f.itemid == item.itemid);
+            if (!temp)
+                rewards.push({ itemid: item.itemid, amount: item.amount });
+            else
+                temp.amount = Add_Amount(temp.amount, item.amount);
+        }
+
+        Add_MissionCount(table, urod, "ESSENCE_EXCHANGE", 0, args.Amount);
+        Add_MissionCount(table, urod, "ESSENCE_EXCHANGE_ACC", 0, args.Amount);
+        
+        Set_JsonUserData(urod);
+        return Get_Return(0, { mileage : mileagevalue * args.Amount, items : rewards });
+    }
+    return Get_Return(1);
+}
 /////////////////////////////////// 서버 처리
 
 handlers.Write_UnityInApp = function(args)
@@ -13457,7 +13496,7 @@ function Get_RandomBagTable()
       }
     ]
 }
-function Get_RandomItemId(dropIndex, grade) {
+function Get_RandomItem(dropIndex, grade) {
     var randombaTable = Get_RandomBagTable();
     const items = randombaTable.filter(f =>
         f.n_DropIndex == dropIndex && f.n_ItemGrade == grade
@@ -13472,7 +13511,7 @@ function Get_RandomItemId(dropIndex, grade) {
     let rand = Math.random() * total;
     for (let i = 0; i < items.length; i++) {
         if (rand < weights[i]) {
-            return items[i].n_ItemId;
+            return { itemid :items[i].n_ItemId, amount : items[i].n_DropCount };
         }
         rand -= weights[i];
     }
@@ -18506,6 +18545,95 @@ function Get_OptionConfigTable()
     ]
 }
 
+function Get_EssenceTable()
+{
+    return [
+        {
+            "n_EssenceID": "2000001",
+            "f_Rate1": "0.48",
+            "f_Rate2": "0.37",
+            "f_Rate3": "0.12",
+            "f_Rate4": "0.03",
+            "f_Rate5": "0",
+            "f_Rate6": "0"
+        },
+        {
+            "n_EssenceID": "2000002",
+            "f_Rate1": "0.3",
+            "f_Rate2": "0.34",
+            "f_Rate3": "0.25",
+            "f_Rate4": "0.1",
+            "f_Rate5": "0.01",
+            "f_Rate6": "0"
+        },
+        {
+            "n_EssenceID": "2000003",
+            "f_Rate1": "0",
+            "f_Rate2": "0.3",
+            "f_Rate3": "0.45",
+            "f_Rate4": "0.2",
+            "f_Rate5": "0.05",
+            "f_Rate6": "0"
+        },
+        {
+            "n_EssenceID": "2000004",
+            "f_Rate1": "0",
+            "f_Rate2": "0.15",
+            "f_Rate3": "0.22",
+            "f_Rate4": "0.45",
+            "f_Rate5": "0.15",
+            "f_Rate6": "0.03"
+        },
+        {
+            "n_EssenceID": "2000005",
+            "f_Rate1": "0",
+            "f_Rate2": "0",
+            "f_Rate3": "0.1",
+            "f_Rate4": "0.15",
+            "f_Rate5": "0.55",
+            "f_Rate6": "0.2"
+        },
+        {
+            "n_EssenceID": "2000006",
+            "f_Rate1": "0",
+            "f_Rate2": "0",
+            "f_Rate3": "0",
+            "f_Rate4": "0.05",
+            "f_Rate5": "0.35",
+            "f_Rate6": "0.6"
+        }
+    ]
+}
+function Get_EssenceRateGrade(id)
+{
+    const table = Get_EssenceTable();
+    const data = table.find(f => f.n_EssenceID == id);
+    if (!data) return -1;
+
+    // 유효한 등급(rate > 0)만 뽑기
+    const rates = [];
+    for (let i = 1; i <= 6; i++) {
+        const key = `f_Rate${i}`;
+        const rate = parseFloat(data[key]);
+        if (rate > 0) {
+            rates.push({ grade: i, weight: rate });
+        }
+    }
+
+    // 총합
+    const totalWeight = rates.reduce((sum, r) => sum + r.weight, 0);
+    if (totalWeight <= 0) return -1;
+
+    // 랜덤 추첨
+    let rand = Math.random() * totalWeight;
+    for (let i = 0; i < rates.length; i++) {
+        if (rand < rates[i].weight) return rates[i].grade;
+        rand -= rates[i].weight;
+    }
+
+    return -1;
+}
+
 function Get_PlayOCoupons()
 {
     var poc = JSON.parse(server.GetTitleInternalData("PlayO").Data.PlayO);
diff --git a/Assets/Script/Server/ServerClass.cs b/Assets/Script/Server/ServerClass.cs
index cadd4fd2d..a8f2f8588 100644
--- a/Assets/Script/Server/ServerClass.cs
+++ b/Assets/Script/Server/ServerClass.cs
@@ -2959,6 +2959,11 @@ public class SD_FarmSlot_Read
 #endregion
 
 #region 서버 응답 클래스
+public class SC_Items
+{
+    public int itemid, amount;
+}
+
 public class SC_PCStatInit
 {
     public int gem;
@@ -2985,4 +2990,9 @@ public class SC_PetLvUpResult
 {
     public int usemat, usepet;
 }
+public class SC_EssenceExchangeResult
+{
+    public int mileage;
+    public List<SC_Items> items;
+}
 #endregion
\ No newline at end of file
diff --git a/Assets/Script/Server/ServerInfo.cs b/Assets/Script/Server/ServerInfo.cs
index 024376dd3..1af7a63ac 100644
--- a/Assets/Script/Server/ServerInfo.cs
+++ b/Assets/Script/Server/ServerInfo.cs
@@ -1825,6 +1825,43 @@ public class ServerInfo : MyCoroutine
                 Set_Coroutine(() => { Save_Pet_Equip(petid, _act); }, 2f);
             });
     }
+
+    public void Save_Essence_Change(int essenceID, int amount, Action<SC_EssenceExchangeResult> _act)
+    {
+        NetWait.Ins.Set(true);
+        PlayFabClientAPI.ExecuteCloudScript(new ExecuteCloudScriptRequest
+        {
+            FunctionName = MethodBase.GetCurrentMethod().Name,
+            GeneratePlayStreamEvent = true,
+            FunctionParameter = new
+            {
+                Token = m_LoginInfo.EntityToken.EntityToken,
+                EssenceID = essenceID,
+                Amount = amount,
+            }
+        },
+            result =>
+            {
+                if (result.Error == null)
+                {
+                    NetWait.Ins.Set(false);
+                    var str_result = result.FunctionResult.ToString();
+                    var error = MyErrorCheck(str_result);
+                    // (0 성공, 1 실패 (정수 갯수 부족))
+                    switch (error)
+                    {
+                        case 0: _act?.Invoke(JsonConvert.DeserializeObject<SC_EssenceExchangeResult>(str_result)); break;
+                        case 1: ToastUI.Ins.Set(388); break;
+                    }
+                }
+                else
+                    Set_Coroutine(() => { Save_Essence_Change(essenceID, amount, _act); }, 2f);
+            },
+            fail =>
+            {
+                Set_Coroutine(() => { Save_Essence_Change(essenceID, amount, _act); }, 2f);
+            });
+    }
     #endregion
 
     #region 우편
diff --git a/Assets/Script/UI/Collection/Essence/CollectionEssenceUI_Right.cs b/Assets/Script/UI/Collection/Essence/CollectionEssenceUI_Right.cs
index 02e6efe85..bf00cc7e6 100644
--- a/Assets/Script/UI/Collection/Essence/CollectionEssenceUI_Right.cs
+++ b/Assets/Script/UI/Collection/Essence/CollectionEssenceUI_Right.cs
@@ -61,24 +61,28 @@ public class CollectionEssenceUI_Right : uScrollViewMgr
         var Tdata = Get_SelectTData();
         if (sdata.Check_ItemAmount(Tdata.n_EssenceID, m_UseAmount))
         {
-            sdata.Add_MissionCount(ePurpose.ESSENCE_EXCHANGE, 0, m_UseAmount);
-            sdata.Add_MissionCount(ePurpose.ESSENCE_EXCHANGE_ACC, 0, m_UseAmount);
-            sdata.Use_Item(Tdata.n_EssenceID, m_UseAmount);
-            List<ItemSimpleData> list_reward = new List<ItemSimpleData>();
-            var randombagid = table_GlobalValue.Ins.Get_Int("n_EssenceRandomBagID");
-            var mileageid = table_GlobalValue.Ins.Get_Int("n_EssenceMileageID");
-            for (int i = 0; i < m_UseAmount; i++)
+            ServerInfo.Ins.Save_Essence_Change(Tdata.n_EssenceID, m_UseAmount, result =>
             {
-                var grade = DSUtil.Get_RandomIndex(Tdata.list_rate) + 1;
-                var item = table_randombag.Ins.Get_RandomItemData(randombagid, grade);
-                list_reward.Add(new ItemSimpleData { itemid = item.itemid, amount = item.amount });
-                sdata.Add_Item(item.itemid, item.amount);
-                sdata.Add_Item(mileageid, table_itemlist.Ins.Get_Data(Tdata.n_EssenceID).n_ItemValue); // 마일리지 축적
-            }
-            ObtainItemUI.Ins.Set(list_reward);
-            m_SelectCard.Set_UI();
-            Set_UI();
-            CollectionEssenceUI_Left.Ins.Set();
+                sdata.Use_Item(Tdata.n_EssenceID, m_UseAmount);
+
+                var mileageid = table_GlobalValue.Ins.Get_Int("n_EssenceMileageID");
+                List<ItemSimpleData> list_reward = new List<ItemSimpleData>();
+                list_reward.Add(new ItemSimpleData { itemid = mileageid, amount = result.mileage });
+                for (int i = 0; i < result.items.Count; i++)
+                {
+                    sdata.Add_Item(result.items[i].itemid, result.items[i].amount);
+                    list_reward.Add(new ItemSimpleData { itemid = result.items[i].itemid, amount = result.items[i].amount });
+                }
+                sdata.Add_Item(mileageid, result.mileage);
+
+                sdata.Add_MissionCount(ePurpose.ESSENCE_EXCHANGE, 0, m_UseAmount);
+                sdata.Add_MissionCount(ePurpose.ESSENCE_EXCHANGE_ACC, 0, m_UseAmount);
+
+                ObtainItemUI.Ins.Set(list_reward);
+                m_SelectCard.Set_UI();
+                Set_UI();
+                CollectionEssenceUI_Left.Ins.Set();
+            });
         }
     }
 }
\ No newline at end of file