Originally Posted by Lord_Gareth
That'd still require that A. a celestial had sex with Duv's other parent and yet B. she was raised the loyal daughter of a pantheon of evil gods. And given her mission statement and her belief that her template was granted by her god as a blessing, a refluffed Half-fiend or Thuntemplate is more likely than half-celestial.
After all, Erinyes have feathered wings, and Malgubliyet's right-hand guy lives in Baator.
Or C: Both of Duv's parents were Goblin, and Malgubliyet, a celestial being as a god, blessed their child with a portion of his own divine powers so she may lead the goblin people as the chosen one.