Biome
The Forgotten Ruins忘却の遺跡
An area of old stone ruins. Enemies get noticeably tougher, so upgrade your gear before heading in.
The Forgotten Ruins is a biome in Core Keeper, #3 in the usual order of progress. Bosses: Malugaz the Corrupted. Fish you can catch here include Dagger Fin, Pink Palace Fish, Teal Palace Fish, Crown Squid.
Bosses in The Forgotten Ruins
Enemies in The Forgotten Ruins (4)
Items found in The Forgotten Ruins (170)
Items you can get in this biome from enemy and boss drops, chests, walls, fishing and breakable objects. Detailed sources and chances are on each item's page.
Dungeons in The Forgotten Ruins
Caveling RuinsAncient Crate, Broken Stone Pillar, Caveling Bed and more
Cloaked Merchant HideoutAncient Crate, Campfire, Caveling Bed
Malugaz the Corrupted's DungeonAncient Crate, Broken Stone Pillar, Dark Caveling Floor Tile and more
Stone Bridge AreaAncient Crate, Iron Chest, Torch
Wood HouseCampfire, Cooking Pot, Decorative Torch and more
Scenes in The Forgotten Ruins (temples, ruins, camps and more)
Abiotic Factor FacilityPipe Club, Makeshift Goggles, Researcher's Coat and more
Amber Boulder Cave
Ancient Crate River
Ancient Square
Caveling Campfire
Caveling Throne RoomCaveling Skull
Circular Race Track
No overview mapForgotten Ruins Mortar PuzzleMinion Detonator, Remedaisy Necklace, Ritual Dagger and more
No overview mapForgotten Ruins Rail PuzzleBomb Necklace, Rift Lens, Gold Crystal Necklace and more
Giant Ammonite Cave
Giant Stone Bridge
Gold Boulder Island
Golden Carrock AltarGolden Carrock
Large MazeRecall Idol, Ancient Gemstone, Gold Crystal Necklace and more
Medium MazeRecall Idol, Clear Gemstone, Gold Bar and more
Overgrown Grove
Small IslandsRecall Idol, Heart Berry Necklace, Gold Bar and more
Small MazeTin Sword, Healing Potion, Enrage Potion and more
No overview mapSplintered Sword RuinsSplintered Wooden Sword
Square Race Track
Stone OasisGlow Tulip, Enhydro Crystal
Winding Race Track
Which biome each dungeon and scene appears in is from the Core Keeper Wiki (Fandom) SceneInfo and DungeonInfo data (CC BY-SA 3.0), because scene layouts are not in the game files we can read.
Rare finds from mining walls
| Item | Amount | Chance |
|---|---|---|
 Ring of Rock |
1 | 0.3% |
The chance is the chance to get at least one of the item each time (opening one chest, killing one enemy or one catch). Each time, this table is rolled 1 time(s). Calculated from the drop tables in the game's configuration files (Conf/Loot, Core Keeper 1.3.0.6) the same way the game rolls them.
Fish you can catch
| Item | Amount | Chance |
|---|---|---|
 Dagger Fin |
1 | 37% |
 Pink Palace Fish |
1 | 29% |
 Teal Palace Fish |
1 | 21% |
 Crown Squid |
1 | 13% |
The chance is the chance to get at least one of the item each time (opening one chest, killing one enemy or one catch). Each time, this table is rolled 1 time(s). Calculated from the drop tables in the game's configuration files (Conf/Loot, Core Keeper 1.3.0.6) the same way the game rolls them.
Other catches (not fish)
| Item | Amount | Chance |
|---|---|---|
 Iron Ore |
1 | 20.6% |
 Gray Kelp |
1 | 15.7% |
 Fiber |
1 | 11.7% |
 Scrap Parts |
1 | 9.2% |
 Gold Ore |
1 | 8.4% |
 Soft Sponge |
1 | 8.4% |
 Locked Iron Chest |
1 | 2.3% |
 Iron Key |
1 | 2.3% |
 Hookshot |
1 | 2.3% |
 Trenchcoat |
1 | 2.3% |
 Large Bomb |
1 | 2.3% |
 Moss Mask |
1 | 2.3% |
 Moss Chestpiece |
1 | 2.3% |
 Moss Leggings |
1 | 2.3% |
 Bubble Pearl Necklace |
1 | 2% |
 Goldfish Ring |
1 | 2% |
 Adder Stone |
1 | 1.7% |
 Caveling Perfume |
1 | 0.84% |
 Enhydro Crystal |
1 | 0.42% |
 Deceased Explorer |
1 | 0.33% |
The chance is the chance to get at least one of the item each time (opening one chest, killing one enemy or one catch). Each time, this table is rolled 1 time(s). Calculated from the drop tables in the game's configuration files (Conf/Loot, Core Keeper 1.3.0.6) the same way the game rolls them.
The Forgotten Ruins guides and articles
Unless a note on the page says otherwise, numbers are read from the game files of Core Keeper 1.3.0.6 (prefabs, configuration files, drop tables and the game's program) and calculated by this site, including upgraded (per-level) values, sell prices and mana costs. Names and descriptions are the game's official English text. Only reinforcing materials, minion and pet attacks and some food values are based on the Core Keeper Wiki (Fandom) data (CC BY-SA 3.0). Core Keeper and its images are © Pugstorm. This is an unofficial fan site.