Include Attune Basic Detect Powers (FiD)

Starfox's Blades in the Dark fan page

This is usually done to spot a spirit or a disguised creature. It can also help identify a creature's connection to powers, providing valuable insights into their nature. If you know several different powers, you can scan for all of them at the same time. Limited outcome suffices against a nearby creature you can clearly see. You need greater outcome against against a creature that is hidden or far away (standard outcome) or behind a wall (great outcome). This does not locate creatures and power effects, it merely shows they are present. The position usually starts controlled, with the usual consequence that you missed the opportunity and cannot try again until the situation changes.