diff --git a/Assets/Scripts/Mechanics/PlayerController.cs b/Assets/Scripts/Mechanics/PlayerController.cs
index 0b1137e..216805c 100644
--- a/Assets/Scripts/Mechanics/PlayerController.cs
+++ b/Assets/Scripts/Mechanics/PlayerController.cs
@@ -96,6 +96,10 @@ namespace Platformer.Mechanics
             if (GetComponent<EerieVillage.Progression.PlayerProgression>() == null)
                 gameObject.AddComponent<EerieVillage.Progression.PlayerProgression>();
 
+            // Phase 2-D 신규 (2026-05-09) — PlayerSkillInventory 자동 부착 (스킬 인벤토리 영역)
+            if (GetComponent<EerieVillage.Skills.PlayerSkillInventory>() == null)
+                gameObject.AddComponent<EerieVillage.Skills.PlayerSkillInventory>();
+
             // 사망 시 입력 차단 / 부활 시 입력 복원
             if (health != null)
             {
diff --git a/Assets/Scripts/MyUI/SkillCardSlot.cs b/Assets/Scripts/MyUI/SkillCardSlot.cs
index 335e980..f31693b 100644
--- a/Assets/Scripts/MyUI/SkillCardSlot.cs
+++ b/Assets/Scripts/MyUI/SkillCardSlot.cs
@@ -1,7 +1,7 @@
 using UnityEngine;
 using UnityEngine.UI;
 using TMPro;
-using EerieVillage.Progression;
+using EerieVillage.Skills;
 
 namespace EerieVillage.MyUI
 {
@@ -9,35 +9,36 @@ namespace EerieVillage.MyUI
     /// BT12-MVP-A 영역 단일 카드 슬롯 — PD 첨부 예시 ("기술 선택" 화면) 정합.
     /// SkillSelectionUI 영역 3개 자식.
     ///
+    /// Phase 2-D 정정 (2026-05-09) — SkillCardPlaceholder → ActiveSkillData 전환.
+    /// SkillDataAsset base에 rarity 필드 부재 → 배너 고정 갈색 (BT12-MVP-A Phase 2-2 영역 정합).
+    ///
     /// PD 예시 카드 구성:
-    ///   1. 상단 색상 배너 (등급 — 청록 Common · 노랑 Rare · 빨강 Max)
+    ///   1. 상단 색상 배너 (갈색 고정 — rarity 미지원)
     ///   2. 카드 이름 (한글)
     ///   3. 원형 아이콘 + 동심원 빛 효과
-    ///   4. "레벨 N" 또는 "최대" (빨강 강조)
+    ///   4. "레벨 N" 표시
     ///   5. 효과 설명 3~4 라인
     /// </summary>
     public class SkillCardSlot : MonoBehaviour
     {
         [Header("PD 예시 정합 — 카드 구성")]
-        [SerializeField] Image _topBanner;          // 1. 상단 색상 배너
+        [SerializeField] Image _topBanner;          // 1. 상단 색상 배너 (갈색 고정)
         [SerializeField] TMP_Text _nameText;        // 2. 카드 이름 (한글)
         [SerializeField] Image _icon;               // 3. 원형 아이콘
         [SerializeField] Image _glowEffect;         // 3. 동심원 빛 효과
-        [SerializeField] TMP_Text _levelText;       // 4. 레벨 N / 최대
+        [SerializeField] TMP_Text _levelText;       // 4. 레벨 표시
         [SerializeField] TMP_Text _descriptionText; // 5. 효과 설명
 
         [Header("인터랙션")]
         [SerializeField] Button _clickArea;         // 카드 전체 클릭 영역
         [SerializeField] GameObject _highlightFrame; // 선택 시 활성
 
-        [Header("등급별 색상 (PD 예시 정합)")]
-        [SerializeField] Color _commonColor = new Color(0.3f, 0.7f, 0.7f, 1f);  // 청록
-        [SerializeField] Color _rareColor = new Color(0.95f, 0.7f, 0.25f, 1f);  // 노랑
-        [SerializeField] Color _maxColor = new Color(0.9f, 0.3f, 0.3f, 1f);     // 빨강
+        [Header("배너 고정 색상 (rarity 미지원 — 갈색 통일)")]
+        [SerializeField] Color _bannerColor = new Color(0.5f, 0.35f, 0.15f, 1f);  // 갈색 고정
 
-        public SkillCardPlaceholder Card { get; private set; }
+        public ActiveSkillData Card { get; private set; }
 
-        public void Bind(SkillCardPlaceholder card, System.Action onClick)
+        public void Bind(ActiveSkillData card, System.Action onClick)
         {
             Card = card;
 
@@ -48,42 +49,27 @@ namespace EerieVillage.MyUI
             }
             gameObject.SetActive(true);
 
-            // 2. 카드 이름
-            if (_nameText != null) _nameText.text = card.displayName;
+            // 2. 카드 이름 (DisplayName — SkillDataAsset base PascalCase)
+            if (_nameText != null) _nameText.text = card.DisplayName;
 
-            // 3. 아이콘 (sprite null 시 영역 image enable=false 또는 placeholder 영역 잔존)
+            // 3. 아이콘 (sprite null 시 image enable=false)
             if (_icon != null)
             {
-                _icon.sprite = card.icon;
-                _icon.enabled = card.icon != null;
+                _icon.sprite = card.Icon;
+                _icon.enabled = card.Icon != null;
             }
 
             // 5. 효과 설명
-            if (_descriptionText != null) _descriptionText.text = card.description;
+            if (_descriptionText != null) _descriptionText.text = card.Description;
 
-            // 1. 상단 색상 배너 + 4. 레벨 텍스트 — 등급별 영역
-            Color bannerColor = card.rarity switch
-            {
-                CardRarity.Common => _commonColor,
-                CardRarity.Rare => _rareColor,
-                CardRarity.Max => _maxColor,
-                _ => _commonColor
-            };
-            if (_topBanner != null) _topBanner.color = bannerColor;
+            // 1. 상단 색상 배너 — rarity 필드 부재 → 갈색 고정
+            if (_topBanner != null) _topBanner.color = _bannerColor;
 
-            // 4. 레벨 N / 최대
+            // 4. 레벨 표시 — SkillDataAsset base에 currentLevel 없음 → "레벨 1" 고정 표시
             if (_levelText != null)
             {
-                if (card.IsMaxLevel)
-                {
-                    _levelText.text = "최대";
-                    _levelText.color = _maxColor;
-                }
-                else
-                {
-                    _levelText.text = $"레벨 {card.currentLevel}";
-                    _levelText.color = Color.white;
-                }
+                _levelText.text = "레벨 1";
+                _levelText.color = Color.white;
             }
 
             // 클릭 영역
diff --git a/Assets/Scripts/MyUI/SkillSelectionUI.cs b/Assets/Scripts/MyUI/SkillSelectionUI.cs
index 1d1605d..6b07136 100644
--- a/Assets/Scripts/MyUI/SkillSelectionUI.cs
+++ b/Assets/Scripts/MyUI/SkillSelectionUI.cs
@@ -2,7 +2,7 @@ using System.Collections.Generic;
 using UnityEngine;
 using UnityEngine.UI;
 using TMPro;
-using EerieVillage.Progression;
+using EerieVillage.Skills;
 
 namespace EerieVillage.MyUI
 {
@@ -10,6 +10,8 @@ namespace EerieVillage.MyUI
     /// BT12-MVP-A 영역 스킬 선택 UI — PD 첨부 예시 ("기술 선택" 화면) 정합.
     /// LevelUpManager 영역 호출 — Show(cards, level, onConfirm).
     ///
+    /// Phase 2-D 정정 (2026-05-09) — SkillCardPlaceholder → ActiveSkillData 전환.
+    ///
     /// 화면 구조:
     ///   [Header] "기술 선택" 타이틀 + X 닫기 버튼
     ///   [Body] 카드 3장 가로 배치 (SkillCardSlot ×3)
@@ -38,8 +40,8 @@ namespace EerieVillage.MyUI
         [SerializeField] TMP_Text _pointText;       // "남은 포인트: N"
         [SerializeField] Button _confirmButton;     // "확인"
 
-        SkillCardPlaceholder _selected;
-        System.Action<SkillCardPlaceholder> _onConfirm;
+        ActiveSkillData _selected;
+        System.Action<ActiveSkillData> _onConfirm;
 
         void Awake()
         {
@@ -50,7 +52,7 @@ namespace EerieVillage.MyUI
         }
 
         /// <summary>레벨업 시점 호출 — 카드 3장 표시 + 사용자 선택 대기.</summary>
-        public void Show(List<SkillCardPlaceholder> cards, int level, System.Action<SkillCardPlaceholder> onConfirm)
+        public void Show(List<ActiveSkillData> cards, int level, System.Action<ActiveSkillData> onConfirm)
         {
             Debug.Log($"[SkillSelectionUI] Show 호출 cards={cards.Count} level={level}");
             _onConfirm = onConfirm;
@@ -86,13 +88,13 @@ namespace EerieVillage.MyUI
             gameObject.SetActive(false);  // BT12-MVP-A 정정 — Canvas root 비활성
         }
 
-        void BindSlot(SkillCardSlot slot, SkillCardPlaceholder card)
+        void BindSlot(SkillCardSlot slot, ActiveSkillData card)
         {
             if (slot == null) return;
             slot.Bind(card, () => OnCardSelected(slot, card));
         }
 
-        void OnCardSelected(SkillCardSlot clickedSlot, SkillCardPlaceholder card)
+        void OnCardSelected(SkillCardSlot clickedSlot, ActiveSkillData card)
         {
             if (card == null) return;
             _selected = card;
diff --git a/Assets/Scripts/Progression/LevelUpManager.cs b/Assets/Scripts/Progression/LevelUpManager.cs
index e860ddf..8fc4314 100644
--- a/Assets/Scripts/Progression/LevelUpManager.cs
+++ b/Assets/Scripts/Progression/LevelUpManager.cs
@@ -2,6 +2,7 @@ using System.Collections.Generic;
 using UnityEngine;
 using Platformer.Mechanics;
 using EerieVillage.MyUI;
+using EerieVillage.Skills;
 
 namespace EerieVillage.Progression
 {
@@ -9,13 +10,13 @@ namespace EerieVillage.Progression
     /// 레벨업 발화 시 일시정지 + UI 호출 + 카드 선택 결과 수령.
     /// PlayerProgression.OnLevelUp 구독.
     ///
+    /// Phase 2-D 정정 (2026-05-09) — SkillRuntimeFactory.RandomDraw3() + PlayerSkillInventory.AddSkillByCardId() 정식 통합.
     /// Phase 2-B 영역 (2026-05-08) — SkillSelectionUI 정식 통합.
     /// </summary>
     public class LevelUpManager : MonoBehaviour
     {
         public static LevelUpManager Instance { get; private set; }
 
-        [SerializeField] SkillCardPlaceholderPool _pool;
         [SerializeField] SkillSelectionUI _ui;
 
         PlayerController _player;
@@ -47,8 +48,6 @@ namespace EerieVillage.Progression
                 _progression = _player.gameObject.AddComponent<PlayerProgression>();
             }
             _progression.OnLevelUp += HandleLevelUp;
-
-            if (_pool == null) _pool = GetComponent<SkillCardPlaceholderPool>();
         }
 
         void OnDestroy()
@@ -59,7 +58,7 @@ namespace EerieVillage.Progression
 
         void HandleLevelUp(int newLevel)
         {
-            Debug.Log($"[LevelUpManager] HandleLevelUp 호출 Lv.{newLevel} _ui={(_ui == null ? "NULL" : _ui.name)} _pool={(_pool == null ? "NULL" : _pool.name)}");
+            Debug.Log($"[LevelUpManager] HandleLevelUp 호출 Lv.{newLevel} _ui={(_ui == null ? "NULL" : _ui.name)}");
             if (_isLevelUpActive) return;
             _isLevelUpActive = true;
 
@@ -67,13 +66,11 @@ namespace EerieVillage.Progression
             Time.timeScale = 0f;
             if (_player != null) _player.controlEnabled = false;
 
-            // 카드 3장 무작위 추출
-            List<SkillCardPlaceholder> cards = _pool != null
-                ? _pool.Draw3Random()
-                : new List<SkillCardPlaceholder>();
+            // Phase 2-D — SkillRuntimeFactory.RandomDraw3()로 카드 3장 추출
+            List<ActiveSkillData> cards = SkillRuntimeFactory.RandomDraw3();
             Debug.Log($"[LevelUpManager] cards.Count={cards.Count}");
 
-            // Phase 2-B 영역 — SkillSelectionUI 정식 호출
+            // Phase 2-B/D 통합 — SkillSelectionUI 정식 호출
             if (_ui != null)
             {
                 Debug.Log($"[LevelUpManager] _ui.Show 호출 → SkillSelectionCanvas 활성 의도");
@@ -81,20 +78,39 @@ namespace EerieVillage.Progression
             }
             else
             {
-                // UI 영역 부재 fallback (placeholder asset 5장 미등록 영역 등)
-                Debug.LogWarning($"[LevelUpManager] SkillSelectionUI 부재 — Lv.{newLevel} 카드 {cards.Count}장 영역 자동 확정");
+                // UI 부재 fallback
+                Debug.LogWarning($"[LevelUpManager] SkillSelectionUI 부재 — Lv.{newLevel} 카드 {cards.Count}장 자동 확정");
                 HandleCardConfirmed(cards.Count > 0 ? cards[0] : null);
             }
         }
 
-        void HandleCardConfirmed(SkillCardPlaceholder selected)
+        void HandleCardConfirmed(ActiveSkillData selected)
         {
             // UI 닫기
             if (_ui != null) _ui.Hide();
 
-            // 차기 BT12-Dev 영역 = PlayerSkillInventory.AddSkillByCardId(selected.id)
-            // BT12-MVP-A 영역 = UI 닫기·게임 재개만
-            Debug.Log($"[LevelUpManager] 카드 확정 — {(selected != null ? selected.displayName : "NONE")} (효과 적용 X·BT12-Dev 본격 영역)");
+            // Phase 2-D — PlayerSkillInventory.AddSkillByCardId() 정식 호출
+            if (selected != null)
+            {
+                var inventory = _player != null
+                    ? _player.GetComponent<PlayerSkillInventory>()
+                    : null;
+
+                if (inventory != null)
+                {
+                    bool ok = inventory.AddSkillByCardId(selected.CardId);
+                    Debug.Log($"[LevelUpManager] 카드 확정 — {selected.DisplayName} (AddSkillByCardId={ok})");
+                }
+                else
+                {
+                    Debug.LogWarning("[LevelUpManager] PlayerSkillInventory 영역 부재 — 스킬 등록 X (PlayerController에 컴포넌트 확인 필요)");
+                    Debug.Log($"[LevelUpManager] 카드 확정 — {selected.DisplayName} (인벤토리 X)");
+                }
+            }
+            else
+            {
+                Debug.Log("[LevelUpManager] 카드 확정 — NONE");
+            }
 
             // 일시정지 해제 + 입력 복원
             Time.timeScale = 1f;
diff --git a/Assets/Scripts/Skills.meta b/Assets/Scripts/Skills.meta
new file mode 100644
index 0000000..182c9cf
--- /dev/null
+++ b/Assets/Scripts/Skills.meta
@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: db426a2a7a87ed74cb21bfd993b652f6
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Assets/Scripts/Skills/Effectors.meta b/Assets/Scripts/Skills/Effectors.meta
new file mode 100644
index 0000000..09a4435
--- /dev/null
+++ b/Assets/Scripts/Skills/Effectors.meta
@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: ce0153fb6464fb04daa8cff8a814ccc0
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Assets/Scripts/Skills/Effectors/DebuffStack.cs.meta b/Assets/Scripts/Skills/Effectors/DebuffStack.cs.meta
new file mode 100644
index 0000000..f9f168a
--- /dev/null
+++ b/Assets/Scripts/Skills/Effectors/DebuffStack.cs.meta
@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: 81f421a8920bffe42b98777d721492fb
\ No newline at end of file
diff --git a/Assets/Scripts/Skills/Effectors/EnemyStateComponents.cs.meta b/Assets/Scripts/Skills/Effectors/EnemyStateComponents.cs.meta
new file mode 100644
index 0000000..c0e3491
--- /dev/null
+++ b/Assets/Scripts/Skills/Effectors/EnemyStateComponents.cs.meta
@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: 91ab1ca550a3a834fabe8064779f4c67
\ No newline at end of file
diff --git a/Assets/Scripts/Skills/Effectors/HomingProjectile.cs.meta b/Assets/Scripts/Skills/Effectors/HomingProjectile.cs.meta
new file mode 100644
index 0000000..7451c21
--- /dev/null
+++ b/Assets/Scripts/Skills/Effectors/HomingProjectile.cs.meta
@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: 27b449488cc69b947b2b3b13bf8edd8b
\ No newline at end of file
diff --git a/Assets/Scripts/Skills/Effectors/IEffector.cs.meta b/Assets/Scripts/Skills/Effectors/IEffector.cs.meta
new file mode 100644
index 0000000..6d23c4b
--- /dev/null
+++ b/Assets/Scripts/Skills/Effectors/IEffector.cs.meta
@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: 93952e314854a4446b4c3b3b3d90e858
\ No newline at end of file
diff --git a/Assets/Scripts/Skills/Effectors/Projectile.cs b/Assets/Scripts/Skills/Effectors/Projectile.cs
index 7868e81..d42ac76 100644
--- a/Assets/Scripts/Skills/Effectors/Projectile.cs
+++ b/Assets/Scripts/Skills/Effectors/Projectile.cs
@@ -45,8 +45,13 @@ namespace EerieVillage.Skills.Effectors
         {
             if (_hitTargets.Contains(other)) return;
 
-            // Enemy 레이어 한정
-            if (other.gameObject.layer != LayerMask.NameToLayer("Enemy")) return;
+            // Enemy 레이어 한정.
+            // Phase 2-D fallback (2026-05-09): TagManager에 "Enemy" 레이어 미등재 시 LayerMask.NameToLayer 반환값 = -1.
+            // 레이어 매칭 실패 시 EnemyController 컴포넌트 존재 여부로 대체 판정.
+            int enemyLayer = LayerMask.NameToLayer("Enemy");
+            bool isEnemy = (enemyLayer != -1 && other.gameObject.layer == enemyLayer)
+                           || other.GetComponent<EnemyController>() != null;
+            if (!isEnemy) return;
 
             var health = other.GetComponent<Health>();
             if (health == null || !health.IsAlive) return;
diff --git a/Assets/Scripts/Skills/Effectors/Projectile.cs.meta b/Assets/Scripts/Skills/Effectors/Projectile.cs.meta
new file mode 100644
index 0000000..beed91f
--- /dev/null
+++ b/Assets/Scripts/Skills/Effectors/Projectile.cs.meta
@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: ae9d149946257734593e7840cf591573
\ No newline at end of file
diff --git a/Assets/Scripts/Skills/Effectors/ProjectileSpawner.cs.meta b/Assets/Scripts/Skills/Effectors/ProjectileSpawner.cs.meta
new file mode 100644
index 0000000..e87d237
--- /dev/null
+++ b/Assets/Scripts/Skills/Effectors/ProjectileSpawner.cs.meta
@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: 8b322e13e2c8df1429ba815dd2c0628c
\ No newline at end of file
diff --git a/Assets/Scripts/Skills/Effectors/StatusApplier.cs.meta b/Assets/Scripts/Skills/Effectors/StatusApplier.cs.meta
new file mode 100644
index 0000000..0663985
--- /dev/null
+++ b/Assets/Scripts/Skills/Effectors/StatusApplier.cs.meta
@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: bc7c664d1a9a68641ae6106260d908f2
\ No newline at end of file
diff --git a/Assets/Scripts/Skills/Runtime/SkillRuntimeFactory.cs b/Assets/Scripts/Skills/Runtime/SkillRuntimeFactory.cs
index 2bb72c7..d7b16c7 100644
--- a/Assets/Scripts/Skills/Runtime/SkillRuntimeFactory.cs
+++ b/Assets/Scripts/Skills/Runtime/SkillRuntimeFactory.cs
@@ -65,6 +65,32 @@ namespace EerieVillage.Skills
             };
         }
 
+        /// <summary>
+        /// 레벨업 시 카드 3장 무작위 추출. Active 카테고리만. Phase 2-D 영역 BT12-MVP-A 통합.
+        /// </summary>
+        public static List<ActiveSkillData> RandomDraw3()
+        {
+            EnsureLoaded();
+            var actives = new List<ActiveSkillData>();
+            foreach (var kvp in _cache)
+            {
+                if (kvp.Value is ActiveSkillData ad) actives.Add(ad);
+            }
+            if (actives.Count == 0) return new List<ActiveSkillData>();
+
+            // 무작위 3장 (중복 X)
+            var pool = new List<ActiveSkillData>(actives);
+            var result = new List<ActiveSkillData>();
+            int draw = Mathf.Min(3, pool.Count);
+            for (int i = 0; i < draw; i++)
+            {
+                int idx = Random.Range(0, pool.Count);
+                result.Add(pool[idx]);
+                pool.RemoveAt(idx);
+            }
+            return result;
+        }
+
         /// <summary>캐시 강제 리셋 (에디터 툴·테스트용)</summary>
         public static void InvalidateCache()
         {