DREAD CASTLE

The Dread Castle is the one structure that spawns randomly in the Dreadlands biome. It is a nether brick castle filled with Dread Guardians, a new mob. Dread Guardians are powerful mobs that will attempt to prevent you from taking from the treasure box, visible in the center of the top floor of the Dread Castle. You must break an obsidian block on the treasure box to gain access to the treasure itself. Upon taking the Ancient Jewel from the chest, an Elemental Titan will be summoned as a last hope to return the Ancient Jewel. The Ancient Jewel is one of the ingredients to the Neptunium Crystal, which is an ingredient to the Ender Key.