Heartbreaking concept: Penelope thinking up the challenge years in advance once it becomes clear the suitors won't leave without a marriage, specifically thinking of something Odysseus can do, with the axes, sitting at the end with the assurance that she will die if they succeed, and having Telemachus trained to use his father's bow specifically from a young age. Initially she doesn't say anything about her true intentions but one he reaches like 15, she explains that if she ever issues the challenge then she expects him to complete the challenge, including killing her, and taking up the throne