Pressure plate

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

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A pressure plate is a trap which inflicts no direct damage; instead it causes some pre-scripted, generally bad event to happen. They are mechanical traps, so you can levitate/fly over them or disarm them with the Traps & Doors skill if you manage to find one before stepping on it.

Possible Results

• Spiders: You are immediately surrounded by eight spiders.

A basket of spiders falls from above!

• Cloud Trap: Creates one of the following clouds, centered on you: mephitic (confusion), poisonous, calcifying (petrification), flame, freezing, chaos (bad mutations), or miasma (poison, slow, and rot).

A coloured vial drops from a hatch in the ceiling!

• Cells: In a corridor at least nine tiles long, indestructible gates shut down on either end and four doors to single cell chambers appear in each wall (eight total). Behind each door waits a monster of greatly varying strength, from giant newts to ogres, ettins, and freezing wraiths. The last door opened reveals an exit behind the monster. All monsters are initially sleeping; spellcasting inside the trap will wake them, this also includes blinking and teleporting.

Iron gates slam shut around you. You now see doors in the walls!

• Monster Chamber: A portion of the wall adjacent to the pressure plate will disappear, revealing a room full of monsters which immediately attack you.