Pixel art illustration of an ominous trial key with dark metal

Minecraft Java Item ID

Ominous Trial Key ID

The ominous trial key is dropped by ominous trial spawners during ominous trials, used to open ominous vaults. Their loot includes the heavy core needed to craft the mace.

✓ Verified for Java Edition 1.21.11

Namespaced item ID minecraft:ominous_trial_key

Ominous Trial Key Item Facts

CategoryMaterials

Maximum stack64

Available inSurvival and Creative

Historical numerical IDNot applicable

Historical numerical ID: This item was introduced after Java Edition 1.13, when numerical IDs were no longer used.

Give Command for Ominous Trial Key

Copy the current Java Edition command, or open the generator to change the player and quantity.

/give @p minecraft:ominous_trial_key 1

Customize this command →

Give command syntax by version

Java 1.13+

/give @p minecraft:ominous_trial_key 1

Namespaced ID (current format)

Rows appear only when the underlying value is verified: the Java 1.8–1.12.2 row requires a reviewed historical numerical ID, and the Bedrock row appears only when this exact namespaced ID exists in the Bedrock registry.

How to Get Ominous Trial Key

Finding Ominous Trial Key

Ominous Trial Key cannot be crafted at a crafting table. It must be obtained through normal gameplay.

Prefer commands? Jump back to the give command matrix above to get Ominous Trial Key instantly.

Ominous Trial Key in Minecraft: The Gate to the Best Vault Loot

Quick answer: Use minecraft:ominous_trial_key in Java Edition commands. Ominous trial keys drop from ominous trial spawners during a Bad Omen or Trial Omen event, and they open ominous vaults, the only source of the heavy core for crafting the mace.

Triggering the ominous event

Enter a trial chamber while carrying Bad Omen, from a raid captain, or Trial Omen, from drinking an ominous bottle. The effect converts nearby trial spawners into ominous trial spawners with glowing details and much harder waves.

Ominous spawners throw armored mobs, lingering potions, and projectiles at you, so prepare with strong armor, a shield, and area damage. Clearing the wave earns ominous trial keys alongside normal loot.

Requirement: Bad Omen or Trial Omen active inside the chamber.
Ominous bottles drop from raid captains and vault loot.
Defeat the full ominous wave to earn the keys.

What ominous vaults contain

Ominous vaults hold the premium trial chamber table: enchanted diamond gear, high-level enchanted books, ominous bottles, music discs, and the heavy core. The heavy core is the headline item because it crafts the mace with a breeze rod.

Like normal vaults, each ominous vault serves one key per player, so groups should each carry ominous keys. Prioritize chambers with several ominous vaults clustered together for the most rolls per visit.

Ominous Trial Key Command Examples

Give 1 to nearest player: /give @p minecraft:ominous_trial_key 1
Give 1 to yourself: /give @s minecraft:ominous_trial_key 1
Give to a specific player: /give PlayerName minecraft:ominous_trial_key 1
Clear from inventory: /clear @p minecraft:ominous_trial_key

Ominous Trial Key FAQ

What is the item ID for Ominous Trial Key?

The item ID for Ominous Trial Key is minecraft:ominous_trial_key. Java Edition commands such as /give, /clear, and /setblock use this namespaced ID.

How do I give myself Ominous Trial Key in Minecraft?

Open the chat window and run /give @p minecraft:ominous_trial_key 1 to give the nearest player one Ominous Trial Key. Replace @p with a player name to target someone else.

How many Ominous Trial Key can stack in one slot?

Ominous Trial Key stacks up to 64 per inventory slot.

How do you get an ominous trial key?

Activate Bad Omen or Trial Omen inside a trial chamber to turn trial spawners ominous, then defeat all the mobs they spawn. Cleared ominous spawners eject ominous trial keys among their rewards.

What do ominous trial keys open?

Ominous vaults, the darker-trimmed vault blocks in trial chambers. Their loot table is the best in the structure, featuring high-level enchanted books, enchanted diamond equipment, and the heavy core needed to craft the mace.

Can you reuse an ominous vault?

Each player can open a given ominous vault once. The vault refills for other players, not for you, so finding fresh trial chambers is the way to keep rolling for heavy cores.