How to get Overpowered In Only One Room

This is 5/10 on the T. Lost Streak Btw Also, I'm the owner of the "Lerma" Youtube Channel as well, I'm basically uploading the same content in spanish, in case any of you run into that some day by any chance Mods used: External Item Description POG for Good Items Enhanced Boss Bar Antibirth Music++ Boss Rush Wave Counter Hanging Dream Catcher Planetarium Chance Tainted Treasure Rooms The Specialist For Good Items Bael Namie Kuningham (rep - only) The Sheriff Eevee: Reunited Felix & Harold #tboi #tlost #winstreak