Skip to main content
Heavy Core
Miscellaneous

Heavy Core

A rare item found in ominous trial vaults. It is the key ingredient used to craft the mace.

Stack Size

64

Durability

N/A

Category

Miscellaneous

Version Added

1.21

Item ID

heavy_core

Heavy Core at a glance

Miscellaneous holds Heavy Core: an item out of chest loot. Stack Heavy Core 64 high: 576 across a hotbar, 1728 in a shulker box, and 3456 in a double chest.

Heavy Core additionally serves as a crafting ingredient for Mace. On the hardness scale Heavy Core sits at 10. A pickaxe is the right tool for Heavy Core, and any tier of it collects the block. Against explosions it is far tougher, 1200, which is why it survives blasts that clear everything around it. Generated chests only ever hold Heavy Core in one place: ominous trial chamber vaults (about 10%). It sits between Heart of the Sea and Host Armor Trim in Miscellaneous, number 66 of 147 there.

Used to craft

Mace is the one recipe that asks for Heavy Core, and the link below opens that grid. Each link below opens that recipe with Heavy Core in the grid.

How to obtain

  • Chest loot

Notes

Obtained only from ominous vaults in trial chambers. Combined with a breeze rod to craft the Mace.

Frequently asked questions about Heavy Core

  1. Chest loot leading to Heavy Core, the way this answer says Heavy Core arrives

    How do you get Heavy Core in Minecraft?

    Heavy Core is obtained through chest loot. You never craft Heavy Core; 1 recipe spends it.

  2. A chest beside Heavy Core, the loot this answer lists

    Where do you find Heavy Core in chests?

    Heavy Core is chest loot in one place and one only: ominous trial chamber vaults (about 10%). No other generated chest lists it, so that single structure is the whole search, and every other chest in the game will disappoint you.

  3. 64 Heavy Core drawn together, the full slot the answer counts

    How many Heavy Core can you stack?

    Heavy Core at 64 a slot, and Mace takes 1 per craft, so a full slot is 64 Mace with nothing left over. A shulker box of Heavy Core comes to 1,728, over 27 slots.

  4. Heavy Core as a block, next to the pickaxe its 10 hardness asks for

    How long does Heavy Core take to break?

    Two figures cover Heavy Core: 10 to mine, 1200 to blow it up. That second figure on Heavy Core is what makes it worth hauling into a build meant to take a hit. A pickaxe is the right tool for Heavy Core, and any tier of it collects the block. Java 26.2 spells Heavy Core out this way, so nothing on it was guessed.

  5. Heavy Core coming forward out of the past, in the game since 1.21

    When was Heavy Core added to Minecraft?

    Heavy Core was added in version 1.21.

  6. Heavy Core turning into Mace, two of the recipes it feeds

    What is Heavy Core used for?

    Heavy Core is a crafting ingredient, and it goes into Mace.

Building with it

Heavy cores come from ominous vaults in trial chambers, and combined with a breeze rod they make a mace. That is the only recipe they appear in, and since ominous vaults need an ominous key, a mace represents a full trial chamber run under bad omen.