World Boss
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Spawns every 3.5 hours, lasts 15 minutes
Diablo 4 / World Boss Timer
Diablo 4 World Boss Spawn Times & Loot
World Bosses in Diablo 4 spawn on a 3.5-hour cycle and stay in the world for a 15-minute kill window. This page publishes the spawn times - the next twelve in UTC and in your own time zone - plus an optional browser alert so you never miss one. It deliberately does not guess which boss is coming, because Blizzard has never published that rotation.
Next World Boss Spawn
Upcoming Spawn Times
The next twelve World Boss spawns, counted from the start of the current UTC day. Times are shown in UTC and in your device's time zone.
| Day | Spawn (UTC) | Your time | Countdown |
|---|
Get a Spawn Alert
Choose how far ahead you want to be warned. The alert is a browser notification plus a short tone, and it is stored in this browser only - no account, no server.
Alerts
Warn me before the spawn
before the spawn
World Boss Schedule
| Spawn Cycle | Every 3.5 hours (210 minutes), reduced from 6 hours in Season 2 |
|---|---|
| Kill Window | 15 minutes once the boss spawns |
| Announcement | Blizzard broadcasts a message to all players 15 minutes before the spawn |
| Location | Fixed gathering points in the open world; the boss icon appears on your map so you can teleport in |
| Scope | Server-wide event, visible to every player on the region |
Which World Boss Spawns Next?
We do not publish an answer, and that is a deliberate choice rather than a gap.
Blizzard has never documented the World Boss rotation. Community trackers reverse-engineer it by logging real spawns, and the pattern they find changes between seasons - earlier seasons ran in a three-two-three-two sequence, and seasonal seasons add their own boss to the pool. Several trackers get it right by tracking what actually spawned, not by predicting it.
What is documented, and therefore what this page gives you, is the timing: a 3.5-hour cycle with a 15-minute window. If a tracker claims to know the boss before it appears, treat it as a guess until the map icon confirms it.
World Bosses and Their Rewards
Four World Bosses form the core rotation, and seasonal content adds to the pool. Each one carries its own cosmetic rewards, so a full clear is a collection task as much as a loot run.
World Boss
Ashava, the Pestilent
A massive demonic creature that spreads plague and poison. Drops her own mount and trophy cosmetics.
World Boss
Avarice, the Gold Cursed
A treasure-hoarding monstrosity wielding a massive golden chest, with its own barding and trophy.
World Boss
Wandering Death
A colossal skeletal construct of bone and shadow, dragging chains of death across the zone.
World Boss
Azmodan
The Lord of Sin, a demon lord commanding legions from the Burning Hells.
World Boss Loot
| Legendary Items | Drop from every World Boss kill |
|---|---|
| Summoning Materials | Materials for endgame boss summons |
| Reward Cache | One guaranteed cache per day; further kills the same day give regular floor loot |
| Ancestral Items | Join the reward pool in Torment III and above |
| Experience | Large XP gains for players nearby at the spawn |
| Gilding Crests | Used for masterworking gear |
| Cosmetics | Each boss has its own mount and trophy rewards |
Tips for World Boss Kills
Tip 1
Watch the Map, Not the Timer
The boss icon appears on your map shortly before the spawn. Once it is up, teleport in - the timer only tells you when the window opens, not where it lands.
Tip 2
Group Up
World Bosses are server-wide events, so other players are already fighting what you are farming. Stack up and the 15-minute window is rarely the problem.
Tip 3
Come Back for the Cache
The guaranteed reward cache only drops once per day. If you miss the window, the next spawn is another three and a half hours away.
Related Diablo 4 Timers
Track every world event on the Diablo 4 event timer, or check the Helltide schedule and chest farming guide for the hourly farm.
FAQ
- When is the next Diablo 4 World Boss?
- World Bosses spawn on a 3.5-hour cycle, which is 210 minutes. The table above lists the next 12 spawn times in UTC and in your own time zone, counted from the start of the current UTC day.
- How long do I have to kill a World Boss?
- You have 15 minutes from spawn before the boss despawns. Blizzard broadcasts a message to all players when the boss is 15 minutes away, and the boss icon appears on your map so you can teleport to it.
- Which World Boss spawns next?
- This page does not publish a guess. Blizzard has never documented the World Boss rotation, and the order changes between seasons as seasonal bosses join it. The spawn times here are documented; the boss order is not.
- What does a Diablo 4 World Boss drop?
- Legendary items and summoning materials, plus experience for nearby players and Gilding Crests for masterworking gear. World Bosses also drop a guaranteed reward cache once per day, and each boss has its own cosmetic rewards.
- Can I get an alert before a World Boss spawns?
- Yes. Pick how far ahead you want to be warned on this page and it will send a browser notification and play a short tone. The choice is stored in your own browser only.
- Where does a World Boss spawn?
- World Bosses appear at fixed gathering points in the open world. The boss icon shows on your map shortly before the spawn, and you can teleport straight to it.
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