diff --git a/module/campaign/campaign_ui.py b/module/campaign/campaign_ui.py
index d05e7a67a..0c8872bef 100644
--- a/module/campaign/campaign_ui.py
+++ b/module/campaign/campaign_ui.py
@@ -66,7 +66,10 @@ class CampaignUI(UI, CampaignOcr):
         if name not in self.stage_entrance:
             logger.warning(f'Stage not found: {name}')
             raise CampaignNameError
-        return self.stage_entrance[name]
+
+        entrance = self.stage_entrance[name]
+        entrance.name = name
+        return entrance
 
     def ensure_campaign_ui(self, name, mode='normal'):
         """
diff --git a/module/map/grid_info.py b/module/map/grid_info.py
index 76c917296..31a0c88d0 100644
--- a/module/map/grid_info.py
+++ b/module/map/grid_info.py
@@ -211,3 +211,16 @@ class GridInfo:
         self.is_current_fleet = False
         self.is_submarine = False
         self.is_cleared = False
+
+    def covered_grid(self):
+        """Relative coordinate of the covered grid.
+
+        Returns:
+            list[tuple]:
+        """
+        if self.is_current_fleet:
+            return [(0, -1), (0, -2)]
+        if self.is_fleet or self.is_siren or self.is_mystery:
+            return [(0, -1)]
+
+        return []
diff --git a/module/map/grids.py b/module/map/grids.py
index a308e8402..ab63fbe20 100644
--- a/module/map/grids.py
+++ b/module/map/grids.py
@@ -104,6 +104,7 @@ class Grids(Perspective):
         image = self._image_clear_ui(image)
         self.image = image
         for grid in self:
+            grid.reset()
             grid.image = image
 
     def _image_clear_ui(self, image):
diff --git a/module/map/map_base.py b/module/map/map_base.py
index af97aced3..bb303b49f 100644
--- a/module/map/map_base.py
+++ b/module/map/map_base.py
@@ -408,14 +408,7 @@ class CampaignMap:
                     missing[attr] -= 1
 
         for grid in self:
-            if not grid.is_fleet and not grid.is_mystery and not grid.is_siren:
-                continue
-
-            cover = [(0, -1)]
-            if grid.is_current_fleet:
-                cover.append((0, -2))
-
-            for upper in cover:
+            for upper in grid.covered_grid():
                 upper = tuple(np.array(grid.location) + upper)
                 if upper in self:
                     upper = self[upper]
@@ -451,14 +444,7 @@ class CampaignMap:
 
         # predict
         for grid in self:
-            if not grid.is_fleet and not grid.is_mystery:
-                continue
-
-            cover = [(0, -1)]
-            if grid.is_current_fleet:
-                cover.append((0, -2))
-
-            for upper in cover:
+            for upper in grid.covered_grid():
                 upper = tuple(np.array(grid.location) + upper)
                 if upper in self:
                     upper = self[upper]