Minecraft wiki entry for Defeating_a_woodland_mansion, associated text: Before you enter the mansion, you should set up a small base at its cobblestone entrance, where it is pre-lit by torches. Build a fence around the entrance to prevent hostile mobs from trespassing. Bring a bed so you can sleep at night and set your spawn point here temporary unless you want to use the mansion as your base. Make a smoker to prepare extra food and position your ender chest beside your bed. Don’t forget to bring along your shulker box if you have one, as you can store more items with it! Surround your camp with a roof to prevent hostile mobs from attacking you while you're sleeping.