Overview
Trial Omen is the trial chamber's difficulty switch, and pulling it is a deliberate trade. While the effect runs, every trial spawner within range becomes an ominous trial spawner: the waves are longer and nastier, the mobs arrive with the 1.21 ominous effects attached, and the reward at the end changes from an ordinary vault to an ominous vault. That last part is the whole reason anyone does it. Ominous vaults hold the loot the chamber exists for — the heavy core that makes a mace, the best enchanted books, the strongest trims — and they open only with an Ominous Trial Key, which only an ominous spawner drops. You get the effect by carrying Bad Omen into a chamber, where it converts automatically, so the practical route is: kill a raid captain somewhere, keep the bottle, drink it inside the chamber. The risk is genuine. An ominous chamber run with mediocre armour goes badly quickly, because the ominous mobs bring silverfish, slimes and wind bursts alongside their normal attacks. Clear the chamber first, learn the room layout, then come back and turn the difficulty up.
Turning ordinary trial spawners into ominous ones so they drop Ominous Trial Keys, which are the only way into the ominous vaults that hold heavy cores and the chamber's best books.
Turns nearby trial spawners into ominous trial spawners, making trial chambers harder and their loot better.
Trial Omen is a harmful status effect. Nothing brews it, so it runs for as long as whatever applied it keeps doing so.
While it is on you, the top-right of the inventory shows the icon and the time left, and you give off particles in the effect's colour, dimmer when the source is ambient. No beacon carries it, so each dose is finite.
How to get it
Drink an Ominous Bottle inside a trial chamber, or carry Bad Omen in and let it convert. The effect runs for roughly 15 minutes at level I, and higher-level bottles extend it — long enough for several spawner rooms.
Tips
- Clear a chamber normally first; an ominous run is much harder and the room layouts are worth knowing in advance.
- Ominous vault loot is the point — read trial chambers, the Mace and the Heavy Core before spending a bottle.
- Bring a shield and a bow: ominous waves include breezes, whose wind charges punish anyone standing still in the open.
- Milk cancels the effect and the spawners revert, so do not drink it to clear something else mid-run.
Version notes
Trial Omen arrived with the trial chambers in Java 1.21, alongside ominous vaults and the Ominous Trial Key.
What each level does
The number in a command is one lower than the level you see: Trial Omen II is amplifier 1. Here is each level:
Levels above IV exist but cannot be obtained in survival — a command can go up to 255.
| Level | Effect |
|---|---|
| I | trial spawners in range become ominous, spawning tougher waves and ominous vaults |
| II | trial spawners in range become ominous, spawning tougher waves and ominous vaults |
| III | trial spawners in range become ominous, spawning tougher waves and ominous vaults |
| IV | trial spawners in range become ominous, spawning tougher waves and ominous vaults |
Properties
Trial Omen has no brewed form. It comes from Ominous bottle in a trial chamber, and it runs for as long as the source does. A bucket of milk removes it, at the cost of every other effect you have running.
- Category
- Negative
- Highest level in survival
- IV
- Particle colour
- #8DE7FF
- Removed by
- Milk
Where it comes from
Trial Omen comes from Ominous bottle in a trial chamber.
- Ominous bottle in a trial chamber
Command
With cheats on, this gives you Trial Omen I for thirty seconds. The last number is the amplifier, so 1 is level II.
Give the effect
/effect give @s minecraft:trial_omen 30 0Clear it
/effect clear @s minecraft:trial_omenGuides and tools that cover this
Frequently asked questions
How long does Trial Omen last?
Trial Omen has no potion form, so whatever applied it sets how long it lasts.
How do I get rid of Trial Omen?
Milk — and be aware it wipes your other effects at the same time.
Is Trial Omen good or bad?
Bad. It sits with the harmful statuses.
What does Trial Omen II do?
Trial Omen II gives trial spawners in range become ominous, spawning tougher waves and ominous vaults.
