You establish a zone of magical feedback that makes it impossible to succeed at rituals of this spell's rank or lower in the area. Ritual obstruction ignores all cover, including walls and ceilings, to the extent of its area. Anyone attempting to cast a ritual within the area knows, when they begin to cast the ritual, the area is cursed to impede rituals. Any ritual cast in the area can't have a final result better than failure.
Traits
An action with this trait requires a degree of mental concentration and discipline.
A curse is an effect that places some long-term affliction on a creature. Curses are always magical and are typically the result of a spell or trap. Effects with this trait can be removed only by effects that specifically target curses.
You must physically manipulate an item or make gestures to use an action with this trait. Creatures without a suitable appendage can't perform actions with this trait. Manipulate actions often trigger reactions.