Unlike most Wuxia stories, this one is a mixture of fantasy stuff from East Asia literatures and some from those typical European fantasy settings. To put it simply, this novel has things like culture clash inspired by historical events such as Europeans encountering those from Asia.

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Two individuals, one born from union between foreigner of a land across icy sea and a women that hails from a fierce nation. The other, a mysterious boy whose background is just as vague. Together, they are the Abyssal Tribulation. An assassin's group that is notorious in the underworld society.

Where the shadow lies, the duo will know all that happens.