Expresses the idea of 'as of', 'with' or 'from', indicating the end of something or a point of change.
Long explanation:
The grammar point Noun を限りに is used to indicate the end point of something, or a point of change. It is used in the context when something ends or changes from a particular point onwards. The noun preceding this expression usually refers to a point in time, and can refer to the end of an event, activity, or relationship.