diff --git a/module/config/config_manual.py b/module/config/config_manual.py
index d8045f7fc..b9f10fce2 100644
--- a/module/config/config_manual.py
+++ b/module/config/config_manual.py
@@ -121,7 +121,7 @@ class ManualConfig:
     MAP_CHAPTER_SWITCH_20241219_SPEX = False
     # Since event_20241219_cn chapter B unlocks event startup
     # which means chapter AB are continuous
-    STAGE_INCREASE_AB = False
+    STAGE_INCREASE_AB = True
     # Insert anything to STAGE_INCREASE
     STAGE_INCREASE_CUSTOM = ''
     MAP_HAS_CLEAR_PERCENTAGE = True
diff --git a/module/handler/fast_forward.py b/module/handler/fast_forward.py
index a7b86ea8d..747d411c5 100644
--- a/module/handler/fast_forward.py
+++ b/module/handler/fast_forward.py
@@ -372,8 +372,7 @@ class FastForwardHandler(AutoSearchHandler):
         # Insert custom increase logic
         if self.config.STAGE_INCREASE_AB:
             stage_increase = [
-                'A1 > A2 > A3 > B1 > B2 > B3',
-                'C1 > C2 > C3 > D1 > D2 > D3',
+                'A1 > A2 > A3 > B1 > B2 > B3',                
             ] + stage_increase
         custom = self.config.STAGE_INCREASE_CUSTOM
         if custom: