diff --git a/worlds/alttp/Options.py b/worlds/alttp/Options.py
index 9c5db86c..ca2772fa 100644
--- a/worlds/alttp/Options.py
+++ b/worlds/alttp/Options.py
@@ -96,12 +96,14 @@ class ShopItemSlots(Range):
     range_start = 0
     range_end = 30
 
+
 class ShopPriceModifier(Range):
     """Percentage modifier for shuffled item prices in shops"""
     range_start = 0
     default = 100
     range_end = 400
 
+
 class WorldState(Choice):
     option_standard = 1
     option_open = 0
diff --git a/worlds/hk/Options.py b/worlds/hk/Options.py
index 1b927325..b7ca3020 100644
--- a/worlds/hk/Options.py
+++ b/worlds/hk/Options.py
@@ -1,7 +1,8 @@
 import typing
 from .ExtractedData import logic_options, starts, pool_options
-from Options import Option, DefaultOnToggle, Toggle, Choice, Range
-from .Charms import vanilla_costs
+
+from Options import Option, DefaultOnToggle, Toggle, Choice, Range, OptionDict
+from .Charms import vanilla_costs, names as charm_names
 
 
 class Disabled(Toggle):
@@ -225,6 +226,18 @@ class RandomCharmCosts(Range):
             return charms
 
 
+class PlandoCharmCosts(OptionDict):
+    """Allows setting a Charm's Notch costs directly, mapping {name: cost}.
+    This is set after any random Charm Notch costs, if applicable."""
+    display_name = "Charm Notch Cost Plando"
+    valid_keys = frozenset(charm_names)
+
+    def get_costs(self, charm_costs: typing.List[int]) -> typing.List[int]:
+        for name, cost in self.value.items():
+            charm_costs[charm_names.index(name)] = cost
+        return charm_costs
+
+
 class EggShopSlots(Range):
     """For each slot, add a location to the Egg Shop and a Geo drop to the item pool."""
 
@@ -240,10 +253,11 @@ hollow_knight_options: typing.Dict[str, type(Option)] = {
     MaximumGrubPrice.__name__: MaximumGrubPrice,
     MinimumEssencePrice.__name__: MinimumEssencePrice,
     MaximumEssencePrice.__name__: MaximumEssencePrice,
-    MinimumEggPrice.__name__: MinimumEggPrice,
-    MaximumEggPrice.__name__: MaximumEggPrice,
     MinimumCharmPrice.__name__: MinimumCharmPrice,
     MaximumCharmPrice.__name__: MaximumCharmPrice,
     RandomCharmCosts.__name__: RandomCharmCosts,
+    PlandoCharmCosts.__name__: PlandoCharmCosts,
+    MinimumEggPrice.__name__: MinimumEggPrice,
+    MaximumEggPrice.__name__: MaximumEggPrice,
     EggShopSlots.__name__: EggShopSlots,
 }
diff --git a/worlds/hk/__init__.py b/worlds/hk/__init__.py
index 8fa9c510..6fb2cb9c 100644
--- a/worlds/hk/__init__.py
+++ b/worlds/hk/__init__.py
@@ -121,7 +121,8 @@ class HKWorld(World):
 
     def generate_early(self):
         world = self.world
-        self.charm_costs = world.RandomCharmCosts[self.player].get_costs(world.random)
+        charm_costs = world.RandomCharmCosts[self.player].get_costs(world.random)
+        self.charm_costs = world.PlandoCharmCosts[self.player].get_costs(charm_costs)
         world.exclude_locations[self.player].value.update(white_palace_locations)
         world.local_items[self.player].value.add("Mimic_Grub")
         for vendor, unit in self.shops.items():
@@ -217,7 +218,12 @@ class HKWorld(World):
         options = slot_data["options"] = {}
         for option_name in self.options:
             option = getattr(self.world, option_name)[self.player]
-            options[option_name] = int(option.value)
+            try:
+                optionvalue = int(option.value)
+            except TypeError:
+                pass  # C# side is currently typed as dict[str, int], drop what doesn't fit
+            else:
+                options[option_name] = optionvalue
 
         # 32 bit int
         slot_data["seed"] = self.world.slot_seeds[self.player].randint(-2147483647, 2147483646)