Usable items Rare

Crystal Skull Shard結晶ガイコツの破片

An ancient crystal shard that is only a fraction of something bigger.

In-game description
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How to use Crystal Skull Shard

Crystal Skull Shard is used to craft Malugaz Summoning Idol. You do not need a crafting station: you use Crystal Skull Shard itself.

  1. Have the materials in your inventory.
  2. Put Crystal Skull Shard in your hotbar, select it and use it (right-click). Using it takes 3 seconds.
  3. Malugaz Summoning Idol is crafted.

Crystal Skull Shard key points (from the game data)

  • Best source: Caveling — 21.2% chance per kill.
  • Sells to merchants for 20 Ancient Coins.

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

Crystal Skull Shard mechanics (checked against the game data)

Written by this site from values in the game files (1.3.0.6 prefabs and configuration files).

Crystal Skull Shard notes

  • Hold a stack of three Crystal Skull Shards and right-click to combine them into one Malugaz Summoning Idol.

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

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What is Crystal Skull Shard used to make? Craftable items and their uses

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

Malugaz Summoning IdolMalugaz Summoning Idol

How to craft
Hold Crystal Skull Shard and use it (no crafting station needed)
Materials
Crystal Skull Shard ×3
What it is
Malugaz Summoning Idol is a summoning item for Malugaz the Corrupted. Use it to fight the boss again, for example to farm its drops.
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How to get Crystal Skull Shard (Enemy drop, Breakable objects)

Enemy drop (3) Breakable objects (2)

SourceTypeBiomeAmountChance
Caveling Enemy drop The Forgotten Ruins 1 21.2%
Caveling Shaman Enemy drop The Forgotten Ruins 1 19.5%
Caveling Brute Enemy drop The Forgotten Ruins 1 18.4%
Ancient Crate Breakable objects The Forgotten Ruins 1 10.2%
Large Ancient Crate Breakable objects The Forgotten Ruins 1 9%

"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 Crystal Skull Shard

  • Placed in or on the Ancient Chest found inside a scene (building, ruin, camp and so on), 3 at a time (guaranteed)Where: Large Maze [The Forgotten Ruins] (1 per world)

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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What Crystal Skull Shard is used for (1 recipe)

Recipe (materials)
Malugaz Summoning Idol Malugaz Summoning Idol 40Ancient Coin