WTH, Hero?

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  I have so many issues with The Saga of the Mantle that it is difficult to decide where I should begin.

I suppose the most egregious point is the double standard presented, since only the women are subjected to this "test", yet the question "if they're sleeping around, who with?" is never asked (we know, of course, that Guinevere has been with Lancelot), and it is almost certain that those shaming their wives for infidelity wouldn't think twice about sleeping with another woman, given the opportunity. The second and last point I want to address here is why would anyone in their right mind trust an artifact of explicitly fae origin? Then never cause anything but trouble.