Meet Asteria, a Dark Valkyrie who weilds the Demon Blade Mystletainn. With enough physical strength to cleave mortal men in half, she exudes a terrifying presence, stealing the spirit energy of her victims.
Only the appearance of her human husband can bring out her loving side, putting her into a completely submissive mode, catering to her husbands every need.
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Mewfii
So your mixing "Is this a zombie" and "Heaven's lost paradise" together?