diff --git a/campaign/event_20241219_cn/a1.py b/campaign/event_20241219_cn/a1.py
index 78a1b1b22..9210d6a5a 100644
--- a/campaign/event_20241219_cn/a1.py
+++ b/campaign/event_20241219_cn/a1.py
@@ -59,6 +59,7 @@ class Config:
 
     STAGE_ENTRANCE = ['half', '20240725']
     MAP_CHAPTER_SWITCH_20241219 = True
+    MAP_HAS_MODE_SWITCH = True
     MAP_HAS_MOVABLE_NORMAL_ENEMY = True
     MAP_SIREN_HAS_BOSS_ICON_SMALL = True
 
diff --git a/campaign/event_20241219_cn/b1.py b/campaign/event_20241219_cn/b1.py
index 1bb2f5647..21ee7f025 100644
--- a/campaign/event_20241219_cn/b1.py
+++ b/campaign/event_20241219_cn/b1.py
@@ -60,6 +60,7 @@ class Config:
 
     STAGE_ENTRANCE = ['half', '20240725']
     MAP_CHAPTER_SWITCH_20241219 = True
+    MAP_HAS_MODE_SWITCH = True
     MAP_HAS_MOVABLE_NORMAL_ENEMY = True
     MAP_SIREN_HAS_BOSS_ICON_SMALL = True
 
diff --git a/campaign/event_20241219_cn/b3.py b/campaign/event_20241219_cn/b3.py
index 57757b55a..6df3e57c7 100644
--- a/campaign/event_20241219_cn/b3.py
+++ b/campaign/event_20241219_cn/b3.py
@@ -75,7 +75,7 @@ class Campaign(CampaignBase):
     def battle_0(self):
         if self.clear_siren():
             return True
-        if self.clear_filter_enemy(self.ENEMY_FILTER, preserve=0):
+        if self.clear_enemy(sort=('weight', 'cost_2', 'cost_1')):
             return True
 
         return self.battle_default()
diff --git a/campaign/event_20241219_cn/c1.py b/campaign/event_20241219_cn/c1.py
index c1c9ec977..e920799f7 100644
--- a/campaign/event_20241219_cn/c1.py
+++ b/campaign/event_20241219_cn/c1.py
@@ -59,6 +59,7 @@ class Config:
 
     STAGE_ENTRANCE = ['half', '20240725']
     MAP_CHAPTER_SWITCH_20241219 = True
+    MAP_HAS_MODE_SWITCH = True
     MAP_HAS_MOVABLE_NORMAL_ENEMY = True
     MAP_SIREN_HAS_BOSS_ICON_SMALL = True
 
diff --git a/campaign/event_20241219_cn/d1.py b/campaign/event_20241219_cn/d1.py
index 6f4e356d7..f3262f32c 100644
--- a/campaign/event_20241219_cn/d1.py
+++ b/campaign/event_20241219_cn/d1.py
@@ -60,6 +60,7 @@ class Config:
 
     STAGE_ENTRANCE = ['half', '20240725']
     MAP_CHAPTER_SWITCH_20241219 = True
+    MAP_HAS_MODE_SWITCH = True
     MAP_HAS_MOVABLE_NORMAL_ENEMY = True
     MAP_SIREN_HAS_BOSS_ICON_SMALL = True
 
diff --git a/campaign/event_20241219_cn/d3.py b/campaign/event_20241219_cn/d3.py
index 177658e72..cf5cf8d2e 100644
--- a/campaign/event_20241219_cn/d3.py
+++ b/campaign/event_20241219_cn/d3.py
@@ -25,11 +25,11 @@ MAP.weight_data = """
     50 50 50 50 50 50 50 50 50 50 50
     50 50 50 50 50 50 50 50 50 50 50
     50 50 50 50 50 50 50 50 50 50 50
-    50 50 50 50 50 50 50 50 50 50 50
-    50 50 50 50 50 50 50 50 50 50 50
-    50 50 50 50 50 50 50 50 50 50 50
-    50 50 50 50 50 50 50 50 50 50 50
-    50 50 50 50 50 50 50 50 50 50 50
+    50 50 10 50 50 50 50 50 50 50 50
+    50 50 10 10 10 10 10 50 50 50 50
+    50 50 10 10 10 10 10 50 50 50 50
+    50 50 10 10 10 10 10 50 50 50 50
+    50 50 10 10 10 10 10 50 50 50 50
 """
 MAP.spawn_data = [
     {'battle': 0, 'enemy': 2, 'siren': 2},
@@ -76,7 +76,7 @@ class Campaign(CampaignBase):
     def battle_0(self):
         if self.clear_siren():
             return True
-        if self.clear_filter_enemy(self.ENEMY_FILTER, preserve=1):
+        if self.clear_enemy(sort=('weight', 'cost_2', 'cost_1')):
             return True
 
         return self.battle_default()
@@ -84,7 +84,7 @@ class Campaign(CampaignBase):
     def battle_5(self):
         if self.clear_siren():
             return True
-        if self.clear_filter_enemy(self.ENEMY_FILTER, preserve=0):
+        if self.clear_enemy(sort=('weight', 'cost_2', 'cost_1')):
             return True
 
         return self.battle_default()
diff --git a/module/campaign/campaign_ui.py b/module/campaign/campaign_ui.py
index 38582d37d..32e424b16 100644
--- a/module/campaign/campaign_ui.py
+++ b/module/campaign/campaign_ui.py
@@ -197,7 +197,7 @@ class CampaignUI(MapOperation, CampaignEvent, CampaignOcr):
             Button:
         """
         entrance_name = name
-        if self.config.MAP_HAS_MODE_SWITCH or self.config.MAP_CHAPTER_SWITCH_20241219:
+        if self.config.MAP_HAS_MODE_SWITCH:
             for mode_name in self.campaign_get_mode_names(name):
                 if mode_name in self.stage_entrance:
                     name = mode_name
diff --git a/module/map/map_operation.py b/module/map/map_operation.py
index 2fae8cd76..4a9de599a 100644
--- a/module/map/map_operation.py
+++ b/module/map/map_operation.py
@@ -265,7 +265,7 @@ class MapOperation(MysteryHandler, FleetPreparation, Retirement, FastForwardHand
             bool: If map mode satisfied
                 Always True if map doesn't have mode switch in map preparation
         """
-        if not self.config.MAP_HAS_MODE_SWITCH and not self.config.MAP_CHAPTER_SWITCH_20241219:
+        if not self.config.MAP_HAS_MODE_SWITCH:
             return True
 
         if mode == 'normal':