diff --git a/Assets/Scenes/Test.unity b/Assets/Scenes/Test.unity
index 0fda99c4..f09de158 100644
--- a/Assets/Scenes/Test.unity
+++ b/Assets/Scenes/Test.unity
@@ -261,6 +261,18 @@ PrefabInstance:
       propertyPath: m_SizeDelta.y
       value: 80
       objectReference: {fileID: 0}
+    - target: {fileID: 1384280946776679044, guid: 99f359b6678b0064dbd20508482d6d64, type: 3}
+      propertyPath: m_LocalScale.x
+      value: 0.8
+      objectReference: {fileID: 0}
+    - target: {fileID: 1384280946776679044, guid: 99f359b6678b0064dbd20508482d6d64, type: 3}
+      propertyPath: m_LocalScale.y
+      value: 0.8
+      objectReference: {fileID: 0}
+    - target: {fileID: 1384280946776679044, guid: 99f359b6678b0064dbd20508482d6d64, type: 3}
+      propertyPath: m_LocalScale.z
+      value: 1
+      objectReference: {fileID: 0}
     - target: {fileID: 1384280946776679044, guid: 99f359b6678b0064dbd20508482d6d64, type: 3}
       propertyPath: m_LocalPosition.x
       value: 0
@@ -295,7 +307,7 @@ PrefabInstance:
       objectReference: {fileID: 0}
     - target: {fileID: 1384280946776679044, guid: 99f359b6678b0064dbd20508482d6d64, type: 3}
       propertyPath: m_AnchoredPosition.y
-      value: -420
+      value: -430
       objectReference: {fileID: 0}
     - target: {fileID: 1384280946776679044, guid: 99f359b6678b0064dbd20508482d6d64, type: 3}
       propertyPath: m_LocalEulerAnglesHint.x
@@ -406,6 +418,18 @@ PrefabInstance:
       propertyPath: m_SizeDelta.y
       value: 80
       objectReference: {fileID: 0}
+    - target: {fileID: 1384280946776679044, guid: d8795051068c4f84e84c227a6618e587, type: 3}
+      propertyPath: m_LocalScale.x
+      value: 0.8
+      objectReference: {fileID: 0}
+    - target: {fileID: 1384280946776679044, guid: d8795051068c4f84e84c227a6618e587, type: 3}
+      propertyPath: m_LocalScale.y
+      value: 0.8
+      objectReference: {fileID: 0}
+    - target: {fileID: 1384280946776679044, guid: d8795051068c4f84e84c227a6618e587, type: 3}
+      propertyPath: m_LocalScale.z
+      value: 1
+      objectReference: {fileID: 0}
     - target: {fileID: 1384280946776679044, guid: d8795051068c4f84e84c227a6618e587, type: 3}
       propertyPath: m_LocalPosition.x
       value: 0
diff --git a/Assets/Scripts/Player/PlayerSkillInput.cs b/Assets/Scripts/Player/PlayerSkillInput.cs
index 2272534f..4bdf5164 100644
--- a/Assets/Scripts/Player/PlayerSkillInput.cs
+++ b/Assets/Scripts/Player/PlayerSkillInput.cs
@@ -97,26 +97,73 @@ namespace Colosseum.Player
                 return;
             }
 
+            // 로컬 체크 (빠른 피드백용)
+            if (skillController.IsExecutingSkill)
+            {
+                Debug.Log($"Already executing skill");
+                return;
+            }
+
+            if (skillController.IsOnCooldown(skill))
+            {
+                Debug.Log($"Skill {skill.SkillName} is on cooldown");
+                return;
+            }
+
             // 마나 비용 체크
             if (networkController != null && networkController.Mana < skill.ManaCost)
             {
-                Debug.Log($"Not enough mana for skill: {skill.SkillName} (Required: {skill.ManaCost}, Current: {networkController.Mana})");
+                Debug.Log($"Not enough mana for skill: {skill.SkillName}");
                 return;
             }
 
-            // 논타겟: 타겟 없이 스킬 시전
-            bool success = skillController.ExecuteSkill(skill);
-            if (!success)
-            {
-                Debug.Log($"Cannot execute skill: {skill.SkillName}");
-                return;
-            }
+            // 서버에 스킬 실행 요청
+            RequestSkillExecutionRpc(slotIndex);
+        }
 
-            // 스킬 성공 시 마나 소모
+        /// <summary>
+        /// 서버에 스킬 실행 요청
+        /// </summary>
+        [Rpc(SendTo.Server)]
+        private void RequestSkillExecutionRpc(int slotIndex)
+        {
+            if (slotIndex < 0 || slotIndex >= skillSlots.Length)
+                return;
+
+            SkillData skill = skillSlots[slotIndex];
+            if (skill == null) return;
+
+            // 서버에서 다시 검증
+            if (skillController.IsExecutingSkill || skillController.IsOnCooldown(skill))
+                return;
+
+            if (networkController != null && networkController.Mana < skill.ManaCost)
+                return;
+
+            // 마나 소모
             if (networkController != null && skill.ManaCost > 0)
             {
                 networkController.UseManaRpc(skill.ManaCost);
             }
+
+            // 모든 클라이언트에 스킬 실행 전파
+            BroadcastSkillExecutionRpc(slotIndex);
+        }
+
+        /// <summary>
+        /// 모든 클라이언트에 스킬 실행 전파
+        /// </summary>
+        [Rpc(SendTo.ClientsAndHost)]
+        private void BroadcastSkillExecutionRpc(int slotIndex)
+        {
+            if (slotIndex < 0 || slotIndex >= skillSlots.Length)
+                return;
+
+            SkillData skill = skillSlots[slotIndex];
+            if (skill == null) return;
+
+            // 모든 클라이언트에서 스킬 실행 (애니메이션 포함)
+            skillController.ExecuteSkill(skill);
         }
 
         /// <summary>
diff --git a/Assets/Scripts/Skills/SkillController.cs b/Assets/Scripts/Skills/SkillController.cs
index 75146e10..628f6536 100644
--- a/Assets/Scripts/Skills/SkillController.cs
+++ b/Assets/Scripts/Skills/SkillController.cs
@@ -61,11 +61,6 @@ namespace Colosseum.Skills
 
             var stateInfo = animator.GetCurrentAnimatorStateInfo(0);
 
-            if (debugMode)
-            {
-                Debug.Log($"[Skill] State: {stateInfo.shortNameHash}, NormalizedTime: {stateInfo.normalizedTime:F2}, IsSkill: {stateInfo.IsName(SKILL_STATE_NAME)}");
-            }
-
             // EndAnimation 종료 감지
             if (waitingForEndAnimation)
             {
diff --git a/Assets/UserChoices.choices b/Assets/UserChoices.choices
new file mode 100644
index 00000000..3532d60e
--- /dev/null
+++ b/Assets/UserChoices.choices
@@ -0,0 +1,36 @@
+%YAML 1.1
+%TAG !u! tag:unity3d.com,2011:
+--- !u!114 &1
+MonoBehaviour:
+  m_ObjectHideFlags: 53
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 0}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 11500000, guid: 18cde282a8d045bf9d245fdcfaa7271b, type: 3}
+  m_Name: 
+  m_EditorClassIdentifier: Unity.Multiplayer.Center.Editor::Unity.Multiplayer.Center.Questionnaire.UserChoicesObject
+  QuestionnaireVersion: 1.3
+  UserAnswers:
+    Answers:
+    - QuestionId: Pace
+      Answers:
+      - Fast
+    - QuestionId: Cheating
+      Answers:
+      - CheatingImportant
+    - QuestionId: CostSensitivity
+      Answers:
+      - BestExperience
+    - QuestionId: NetcodeArchitecture
+      Answers:
+      - ClientServer
+    - QuestionId: PlayerCount
+      Answers:
+      - 4
+  Preset: 2
+  SelectedSolutions:
+    SelectedHostingModel: 2
+    SelectedNetcodeSolution: 1
diff --git a/Assets/UserChoices.choices.meta b/Assets/UserChoices.choices.meta
new file mode 100644
index 00000000..d89f3481
--- /dev/null
+++ b/Assets/UserChoices.choices.meta
@@ -0,0 +1,7 @@
+fileFormatVersion: 2
+guid: 291abe421e975b24d9468acf16de7b2e
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Packages/manifest.json b/Packages/manifest.json
index cd432de1..f7ed6a14 100644
--- a/Packages/manifest.json
+++ b/Packages/manifest.json
@@ -2,13 +2,17 @@
   "dependencies": {
     "com.unity.ai.navigation": "2.0.10",
     "com.unity.collab-proxy": "2.11.3",
+    "com.unity.dedicated-server": "2.0.1",
     "com.unity.ide.rider": "3.0.39",
     "com.unity.ide.visualstudio": "2.0.26",
     "com.unity.inputsystem": "1.18.0",
     "com.unity.multiplayer.center": "1.0.1",
+    "com.unity.multiplayer.center.quickstart": "1.1.1",
+    "com.unity.multiplayer.playmode": "2.0.1",
     "com.unity.multiplayer.tools": "2.2.8",
     "com.unity.netcode.gameobjects": "2.10.0",
     "com.unity.render-pipelines.universal": "17.3.0",
+    "com.unity.services.multiplayer": "2.1.3",
     "com.unity.test-framework": "1.6.0",
     "com.unity.timeline": "1.8.10",
     "com.unity.ugui": "2.0.0",
diff --git a/Packages/packages-lock.json b/Packages/packages-lock.json
index a9234ebc..5d8ba586 100644
--- a/Packages/packages-lock.json
+++ b/Packages/packages-lock.json
@@ -39,6 +39,13 @@
       },
       "url": "https://packages.unity.com"
     },
+    "com.unity.dedicated-server": {
+      "version": "2.0.1",
+      "depth": 0,
+      "source": "registry",
+      "dependencies": {},
+      "url": "https://packages.unity.com"
+    },
     "com.unity.ext.nunit": {
       "version": "2.0.5",
       "depth": 1,
@@ -87,6 +94,25 @@
         "com.unity.modules.uielements": "1.0.0"
       }
     },
+    "com.unity.multiplayer.center.quickstart": {
+      "version": "1.1.1",
+      "depth": 0,
+      "source": "registry",
+      "dependencies": {
+        "com.unity.modules.uielements": "1.0.0",
+        "com.unity.multiplayer.center": "1.0.0"
+      },
+      "url": "https://packages.unity.com"
+    },
+    "com.unity.multiplayer.playmode": {
+      "version": "2.0.1",
+      "depth": 0,
+      "source": "registry",
+      "dependencies": {
+        "com.unity.nuget.newtonsoft-json": "2.0.2"
+      },
+      "url": "https://packages.unity.com"
+    },
     "com.unity.multiplayer.tools": {
       "version": "2.2.8",
       "depth": 0,
@@ -172,6 +198,87 @@
       "dependencies": {},
       "url": "https://packages.unity.com"
     },
+    "com.unity.services.authentication": {
+      "version": "3.6.0",
+      "depth": 1,
+      "source": "registry",
+      "dependencies": {
+        "com.unity.ugui": "1.0.0",
+        "com.unity.services.core": "1.15.1",
+        "com.unity.nuget.newtonsoft-json": "3.2.1",
+        "com.unity.modules.unitywebrequest": "1.0.0"
+      },
+      "url": "https://packages.unity.com"
+    },
+    "com.unity.services.core": {
+      "version": "1.16.0",
+      "depth": 1,
+      "source": "registry",
+      "dependencies": {
+        "com.unity.modules.androidjni": "1.0.0",
+        "com.unity.nuget.newtonsoft-json": "3.2.1",
+        "com.unity.modules.unitywebrequest": "1.0.0"
+      },
+      "url": "https://packages.unity.com"
+    },
+    "com.unity.services.deployment": {
+      "version": "1.7.1",
+      "depth": 1,
+      "source": "registry",
+      "dependencies": {
+        "com.unity.services.core": "1.15.1",
+        "com.unity.services.deployment.api": "1.1.2"
+      },
+      "url": "https://packages.unity.com"
+    },
+    "com.unity.services.deployment.api": {
+      "version": "1.1.3",
+      "depth": 2,
+      "source": "registry",
+      "dependencies": {},
+      "url": "https://packages.unity.com"
+    },
+    "com.unity.services.multiplayer": {
+      "version": "2.1.3",
+      "depth": 0,
+      "source": "registry",
+      "dependencies": {
+        "com.unity.transport": "2.6.0",
+        "com.unity.collections": "2.2.1",
+        "com.unity.services.qos": "1.4.1",
+        "com.unity.services.core": "1.16.0",
+        "com.unity.services.wire": "1.4.1",
+        "com.unity.services.deployment": "1.7.1",
+        "com.unity.nuget.newtonsoft-json": "3.2.2",
+        "com.unity.modules.unitywebrequest": "1.0.0",
+        "com.unity.services.authentication": "3.6.0"
+      },
+      "url": "https://packages.unity.com"
+    },
+    "com.unity.services.qos": {
+      "version": "1.4.1",
+      "depth": 1,
+      "source": "registry",
+      "dependencies": {
+        "com.unity.collections": "1.2.4",
+        "com.unity.services.core": "1.12.5",
+        "com.unity.nuget.newtonsoft-json": "3.0.2",
+        "com.unity.modules.unitywebrequest": "1.0.0",
+        "com.unity.services.authentication": "3.5.2"
+      },
+      "url": "https://packages.unity.com"
+    },
+    "com.unity.services.wire": {
+      "version": "1.4.1",
+      "depth": 1,
+      "source": "registry",
+      "dependencies": {
+        "com.unity.services.core": "1.12.5",
+        "com.unity.nuget.newtonsoft-json": "3.2.1",
+        "com.unity.services.authentication": "2.7.4"
+      },
+      "url": "https://packages.unity.com"
+    },
     "com.unity.shadergraph": {
       "version": "17.3.0",
       "depth": 1,
diff --git a/ProjectSettings/MultiplayerManager.asset b/ProjectSettings/MultiplayerManager.asset
index 2a936644..f9820a8b 100644
--- a/ProjectSettings/MultiplayerManager.asset
+++ b/ProjectSettings/MultiplayerManager.asset
@@ -3,5 +3,9 @@
 --- !u!655991488 &1
 MultiplayerManager:
   m_ObjectHideFlags: 0
-  m_EnableMultiplayerRoles: 0
-  m_StrippingTypes: {}
+  m_EnableMultiplayerRoles: 1
+  m_EnablePlayModeLocalDeployment: 0
+  m_EnablePlayModeRemoteDeployment: 0
+  m_StrippingTypes:
+    1: []
+    2: []
diff --git a/ProjectSettings/Packages/com.unity.dedicated-server/ContentSelectionSettings.asset b/ProjectSettings/Packages/com.unity.dedicated-server/ContentSelectionSettings.asset
new file mode 100644
index 00000000..565a173a
--- /dev/null
+++ b/ProjectSettings/Packages/com.unity.dedicated-server/ContentSelectionSettings.asset
@@ -0,0 +1,22 @@
+%YAML 1.1
+%TAG !u! tag:unity3d.com,2011:
+--- !u!114 &1
+MonoBehaviour:
+  m_ObjectHideFlags: 53
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 0}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 11500000, guid: d3c63bcbf0c7c4315b6f985026440942, type: 3}
+  m_Name: 
+  m_EditorClassIdentifier: Unity.DedicatedServer.MultiplayerRoles.Editor::Unity.Multiplayer.Editor.ContentSelectionSettings
+  m_EnableSafetyChecks: 1
+  m_AutomaticSelectionOptions:
+    m_StripRenderComponents: 0
+    m_StripUIComponents: 0
+    m_StripAudioComponents: 0
+    m_CustomComponentsList:
+      m_Keys: []
+      m_Values: 
diff --git a/ProjectSettings/VirtualProjectsConfig.json b/ProjectSettings/VirtualProjectsConfig.json
new file mode 100644
index 00000000..5dd584d7
--- /dev/null
+++ b/ProjectSettings/VirtualProjectsConfig.json
@@ -0,0 +1,4 @@
+{
+  "PlayerTags": [],
+  "version": "6000.3.10f1"
+}
\ No newline at end of file