Create event Blaze Spawner containing Blaze Rods, preventing scenarios where the only progression in a sphere is to gain access to a fortress, which crashes playthrough generation

worlds/minecraft/Locations.py

@@ -109,6 +109,7 @@ advancement_table = {
     "Librarian": AdvData(42090, 'Overworld'),
     "Overpowered": AdvData(42091, 'Overworld'),
 
+    "Blaze Spawner": AdvData(None, 'Nether Fortress'),
     "Ender Dragon": AdvData(None, 'The End')
 }