diff --git a/BaseClasses.py b/BaseClasses.py
index 73882607..384ce313 100644
--- a/BaseClasses.py
+++ b/BaseClasses.py
@@ -1262,7 +1262,8 @@ class CollectionState(object):
         return self.has('Fire Rod', player) or (self.has('Bombos', player) and self.has_sword(player))
 
     def can_avoid_lasers(self, player):
-        return self.has('Mirror Shield', player) or self.has('Cane of Byrna', player) or self.has('Cape', player)
+        return (self.has('Mirror Shield', player) or self.has('Cape', player)
+                or (self.has('Cane of Byrna', player) and self.world.difficulty_adjustments[player] not in ['hard', 'expert']))
 
     def is_not_bunny(self, region, player):
         if self.has_Pearl(player):
diff --git a/RELEASENOTES.md b/RELEASENOTES.md
index 5d8f02b2..a127018c 100644
--- a/RELEASENOTES.md
+++ b/RELEASENOTES.md
@@ -143,6 +143,7 @@ These are now independent of retro mode and have three options: None, Random, an
 
 * 1.4.1.0v
   * Glitched modes: Aga 1 should be vulnerable in rain state for glitched modes
+  * Logic: Byrna not in logic for laser bridge when item functionality is set to hard or expert
   * Enemy AI: Terrorpin AI code removed. May help with unusual enemy behavior?
 * 1.4.0.1v
   * Key logic: Vanilla key logic fixes. Statically set some HC logic and PoD front door
diff --git a/Rules.py b/Rules.py
index f5977389..9abc4887 100644
--- a/Rules.py
+++ b/Rules.py
@@ -504,10 +504,10 @@ def global_rules(world, player):
         set_rule(location, lambda state: state.has('Cane of Somaria', player))
     set_rule(world.get_entrance('TR Final Abyss Balcony Path', player), lambda state: state.has('Cane of Somaria', player))
     set_rule(world.get_entrance('TR Final Abyss Ledge Path', player), lambda state: state.has('Cane of Somaria', player))
-    set_rule(world.get_location('Turtle Rock - Eye Bridge - Bottom Left', player), lambda state: state.has('Cane of Byrna', player) or state.has('Cape', player) or state.has('Mirror Shield', player))
-    set_rule(world.get_location('Turtle Rock - Eye Bridge - Bottom Right', player), lambda state: state.has('Cane of Byrna', player) or state.has('Cape', player) or state.has('Mirror Shield', player))
-    set_rule(world.get_location('Turtle Rock - Eye Bridge - Top Left', player), lambda state: state.has('Cane of Byrna', player) or state.has('Cape', player) or state.has('Mirror Shield', player))
-    set_rule(world.get_location('Turtle Rock - Eye Bridge - Top Right', player), lambda state: state.has('Cane of Byrna', player) or state.has('Cape', player) or state.has('Mirror Shield', player))
+    set_rule(world.get_location('Turtle Rock - Eye Bridge - Bottom Left', player), lambda state: state.can_avoid_lasers(player))
+    set_rule(world.get_location('Turtle Rock - Eye Bridge - Bottom Right', player), lambda state: state.can_avoid_lasers(player))
+    set_rule(world.get_location('Turtle Rock - Eye Bridge - Top Left', player), lambda state: state.can_avoid_lasers(player))
+    set_rule(world.get_location('Turtle Rock - Eye Bridge - Top Right', player), lambda state: state.can_avoid_lasers(player))
     set_defeat_dungeon_boss_rule(world.get_location('Turtle Rock - Boss', player))
     set_defeat_dungeon_boss_rule(world.get_location('Turtle Rock - Prize', player))