-
- A rigged container/door/opening in/on the ceiling activates a biological mechanism in order to put a character in jeopardy.
- Magnetism in/on the ceiling activates a electronic mechanism in order to slow the victim down.
- A magical sensor, which detects alignment, activates a arbitrary mechanism in order to sound an alarm.
- Magnetism in/on a wall activates a chemical mechanism in order to put a character in jeopardy.
- Magnetism in/on the ceiling activates a biological mechanism in order to drain a character resource.