fishing rod 0 isn't real, but it definitely can hurt you.

worlds/stardew_valley/logic/ability_logic.py

@@ -33,7 +33,7 @@ def can_farm_perfectly(self) -> StardewRule:
 
     def can_fish_perfectly(self) -> StardewRule:
         skill_rule = self.logic.skill.has_level(Skill.fishing, 10)
-        return skill_rule & self.logic.tool.has_fishing_rod(3)
+        return skill_rule & self.logic.tool.has_fishing_rod(4)
 
     def can_chop_trees(self) -> StardewRule:
         return self.logic.tool.has_tool(Tool.axe) & self.logic.region.can_reach(Region.forest)

worlds/stardew_valley/logic/fishing_logic.py

@@ -30,11 +30,11 @@ def can_fish_in_freshwater(self) -> StardewRule:
 
     def has_max_fishing(self) -> StardewRule:
         skill_rule = self.logic.skill.has_level(Skill.fishing, 10)
-        return self.logic.tool.has_fishing_rod(3) & skill_rule
+        return self.logic.tool.has_fishing_rod(4) & skill_rule
 
     def can_fish_chests(self) -> StardewRule:
         skill_rule = self.logic.skill.has_level(Skill.fishing, 6)
-        return self.logic.tool.has_fishing_rod(3) & skill_rule
+        return self.logic.tool.has_fishing_rod(4) & skill_rule
 
     def can_fish_at(self, region: str) -> StardewRule:
         return self.logic.skill.can_fish() & self.logic.region.can_reach(region)
@@ -66,7 +66,7 @@ def can_start_extended_family_quest(self) -> StardewRule:
     def can_catch_quality_fish(self, fish_quality: str) -> StardewRule:
         if fish_quality == FishQuality.basic:
             return True_()
-        rod_rule = self.logic.tool.has_fishing_rod(1)
+        rod_rule = self.logic.tool.has_fishing_rod(2)
         if fish_quality == FishQuality.silver:
             return rod_rule
         if fish_quality == FishQuality.gold:

worlds/stardew_valley/logic/skill_logic.py

@@ -51,7 +51,7 @@ def can_earn_level(self, skill: str, level: int) -> StardewRule:
             previous_level_rule = True_()
 
         if skill == Skill.fishing:
-            xp_rule = self.logic.tool.has_fishing_rod(min(tool_level, 3))
+            xp_rule = self.logic.tool.has_fishing_rod(max(tool_level, 1))
         elif skill == Skill.farming:
             xp_rule = self.logic.tool.has_tool(Tool.hoe, tool_material) & self.logic.tool.can_water(tool_level)
         elif skill == Skill.foraging:
@@ -152,7 +152,7 @@ def can_fish(self, regions: Union[str, Tuple[str, ...]] = None, difficulty: int
         skill_rule = self.logic.skill.has_level(Skill.fishing, skill_required)
         region_rule = self.logic.region.can_reach_any(regions)
         # Training rod only works with fish < 50. Fiberglass does not help you to catch higher difficulty fish, so it's skipped in logic.
-        number_fishing_rod_required = 0 if difficulty < 50 else (1 if difficulty < 80 else 3)
+        number_fishing_rod_required = 1 if difficulty < 50 else (2 if difficulty < 80 else 4)
         return self.logic.tool.has_fishing_rod(number_fishing_rod_required) & skill_rule & region_rule
 
     @cache_self1

worlds/stardew_valley/logic/tool_logic.py

@@ -16,8 +16,8 @@
 from ..strings.tool_names import ToolMaterial, Tool
 
 fishing_rod_prices = {
-    2: 1800,  # Fibreglass
-    3: 7500,  # Iridium
+    3: 1800,
+    4: 7500,
 }
 
 tool_materials = {
@@ -59,12 +59,12 @@ def can_use_tool_at(self, tool: str, material: str, region: str) -> StardewRule:
 
     @cache_self1
     def has_fishing_rod(self, level: int) -> StardewRule:
-        assert 0 <= level <= 3, "Fishing rod 0 is Training, 1 is Bamboo, 2 is Fiberglass and 3 is Iridium."
+        assert 1 <= level <= 4, "Fishing rod 0 isn't real, it can't hurt you. Training is 1, Bamboo is 2, Fiberglass is 3 and Iridium is 4."
 
         if self.options.tool_progression & ToolProgression.option_progressive:
             return self.logic.received(f"Progressive {Tool.fishing_rod}", level)
 
-        if level <= 1:
+        if level <= 2:
             # We assume you always have access to the Bamboo pole, because mod side there is a builtin way to get it back.
             return self.logic.region.can_reach(Region.beach)