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Boss Respawn Timer

Camping bosses across channels? Log each kill and this timer counts down to the respawn on every channel you're watching, with an alert before it's due. It runs in your browser: no sign-up, and your timers stay put if you refresh.

Heads up: the countdown is each boss's base respawn time from the game files. Since Grand Launch, Nexon has made field boss respawns more randomized without saying by how much, so a boss can show up later than the timer (and possibly earlier). Set the alert a few minutes early and treat zero as "start checking".

Bosses, maps and base timers

BossLevelMapBase respawnGuide
Mano20Thicket Around the Beach III1 hBoss guide
Stumpy35Parched Land1 hBoss guide
Mushmom40Someone Else's House1 hBoss guide
Shade48Cabin of the Forsaken1 hBoss guide
Zombie Mushmom55The Grave of Mushmom1 hBoss guide
Jr. Balrog80The Cursed Sanctuary3 hBoss guide

Which bosses are worth camping at all? See boss farming and respawns.

FAQ

How does the boss timer work?

Pick the boss and the channel, then hit Start right after the kill (or pick how many minutes ago it died). The timer counts down to the boss's base respawn time from the game data and alerts you before it's due. Timers are saved in your own browser, so they survive a refresh. No account needed.

Is the respawn time exact?

No. The timer uses each boss's base respawn time from the game files, but Nexon's Grand Launch notes say field boss respawn times were adjusted to be more randomized, and they didn't publish the range. Treat the countdown as the start of the window, not a guaranteed spawn, and set the alert a few minutes early.

What are the base respawn times?

Mano 1 h, Stumpy 1 h, Mushmom 1 h, Shade 1 h, Zombie Mushmom 1 h, Jr. Balrog 3 h (game data, before Nexon's randomization).

Will I get an alert if the tab is in the background?

Yes, if you allow notifications when your browser asks. The tab title also shows the next boss's countdown, and the timer plays a short sound (you can switch it off).

Sources: game data (monster respawn times) · Nexon [1]. Names and game content © Nexon, used for informational purposes.