Materials Common

Copper Ore銅の鉱石

Commonly found in dirt walls.

In-game description
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What is Copper Ore? Features and uses

Copper Ore is a common item in Core Keeper (Materials). It can be obtained from Large Stoneware Pot, Stoneware Pot, Large Wooden (breakable object) and 11 other sources. It is an ingredient in 1 recipe.

Copper Ore key points (from the game data)

  • Best source: Large Stoneware Pot — 59.8% chance per roll.
  • Sells to merchants for 1 Ancient Coin.

Calculated and summarized by this site from the game data (1.3.0.6).

Copper Ore notes

  • It is plentiful in The Undergrounds and also embedded in walls in The Clay Caves and The Forgotten Ruins.

These notes cover behavior that the game files do not show directly. They are based on facts from the Core Keeper Wiki (Fandom) page "Copper Ore" (CC BY-SA 3.0), rewritten in this site's own words.

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What is Copper Ore used to make? Craftable items and their uses

Items you can make with Copper Ore, with how to craft them, the other materials needed and what the result is for.

Copper BarCopper Bar

How to craft
Crafted at Furnace
Materials
Copper Ore ×1
What it is
Materials. "A simple metal ingot for blacksmithing."
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How to get Copper Ore (Fishing, Boss drop, Enemy drop, Breakable objects)

Fishing (1) Boss drop (1) Enemy drop (3) Breakable objects (9)

SourceTypeBiomeAmountChance
Fishing in The Undergrounds (non-fish catches) Fishing The Undergrounds 1 20.2%
Glurch the Abominous Mass Boss drop The Undergrounds 2–5 42%
Caveling Brute Enemy drop The Forgotten Ruins 1 18.4%
Caveling Enemy drop The Forgotten Ruins 1 10.6%
Wingling Enemy drop The Undergrounds 1 0.53%
Large Stoneware Pot Breakable objects — 1 59.8%
Stoneware Pot Breakable objects — 1 45%
Large Wooden Crate Breakable objects The Clay Caves, The Undergrounds 2–3 44%
Large Slime Vessel Breakable objects — 1 26.3%
Large Ancient Crate Breakable objects The Forgotten Ruins 1 25.5%
Wooden Crate Breakable objects The Clay Caves, The Undergrounds 1 24.8%
Falling rock Breakable objects — 1 23.8%
Ancient Crate Breakable objects The Forgotten Ruins 1 23.5%
Caveling crate Breakable objects — 2–3 8.1%

* "Falling rock", "Caveling crate": provisional names. The in-game name has not been confirmed, so this site named the source after its internal name in the drop tables.

"Chance" is the chance to get at least one of this item per try (opening one chest, defeating one enemy, one catch). A "guaranteed group" is the group of a chest or boss from which exactly one item always drops; it does not mean this item always drops (the chance of it being picked from that group is shown in small text). Only items that always drop are marked "Guaranteed". Fishing means catches with a fishing rod, separate from enemy and boss drops. Calculated from the game's drop tables (Conf/Loot, 1.3.0.6) the same way the game rolls them.

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Other ways to get Copper Ore

  • Placed inside dungeons or scenes (buildings, ruins and so on); break it or pick it up to get itPlaced in: Flower Lake [The Undergrounds], Large Larva Territory [The Clay Caves], Hidden Turf Chest [The Undergrounds], Ruined Railway [The Undergrounds]
  • Can be dug out of the ground or walls (The Undergrounds, The Clay Caves, The Forgotten Ruins)

Scene containers, dungeon placements, guaranteed drops and natural spawns are based on the Obtaining data of the Core Keeper Wiki (Fandom) (CC BY-SA 3.0), because these are not in the game files this site reads. Scene names are the wiki's English names.

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Can you get Copper Ore by salvaging?

No item gives Copper Ore itself when salvaged. Salvaging gives Copper Bar instead, from 98 kinds of gear, tools and other items (list).

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What Copper Ore is used for (1 recipe)

Recipe (materials)
Copper Bar Copper Bar 2Ancient Coin