Therefore, it is a good idea to use a Dangersense Potion to see where these blockades are so you can safely remove them and discover every room in the dungeon. The UnderworldExplore and loot all the Underworld's Ruined Houses and loot the Shadow Chests, while mining Hellstone for Molten ...
Keep in mind that even while AFK farming, the player is still required to gather loot so to prevent items from despawning. A player using Ravens to farm. A character sitting inside a "waiting room" while traps are killing monsters. A character using an ocean Key farm with a lava trap...