Alarm trap

Version 0.11: This article may not be up to date for the latest stable release of Crawl.

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An alarm trap is a trap which produces a loud noise when stepped on by the player or any monster, alerting anything nearby. The noise has a loudness of 12. Alarm traps are magical traps, and can thus be set off even by levitating beings.

A comment in the code suggests that hostile monsters cannot set off alarm traps, but this does not match what the code itself says, which is that all monsters which are non-friendly will trigger the alarm if they pass into it.

Alarm traps cannot be disarmed, but can be silenced. Also, they will eventually fail with repeated use.

History

In 0.12, they will only go off once before breaking.