Are Geases visible? What about Geas-hooks?
Geases are visible celestially like any other similar Discord. Geas-hooks are only visible to Superiors . . . and then only if they are looking. The “hooked” entity cannot feel them, either, though Geases themselves are quite noticeable. This means that a starting Free Lilim will have 27 levels of very visible Discord on her celestial form. So, until a Lilim asks for a return favor, her hooks are mostly invisible, but after she asks (or the character promises an unspecified favor for the future), the Geas shows up and hangs around until the task has been completed.