The Forgotten Ruins
TierMid-game

Overview
The Forgotten Ruins is an orbiting biome in the Undergrounds and is usually the first region players encounter where the walls cannot be mined out. Stone Blocks in the area require at least a 

The biome spawns on the opposite side of the map from the Clay Caves, placing it as the counterpart to that early-game region. Because of the tougher terrain and hostile population, it is best approached with stronger gear and enough combat readiness to handle lost cities and their defenders.
Fishing in normal water in the Forgotten Ruins can yield biome-specific catches.
- A fishing skill of at least 100 is required, and an
Iron Fishing Rod can provide enough fishing power to meet that requirement.
- The biome also contains unique terrain-based loot, as well as ore boulders and items found in specific scenes.