The balr1412.zip file you have requested: Maps Levels Missions / balr1412 - 2.43mb is not available. Perhaps try browsing all files for the game Heretic II and upload any files you want to share or are missing. This is the only information we could locate:
The name pretty well tells it all. Features the usual doors and area portals, but also includes some timed rotating brushes that function as shrines. It's slow but play is intense.