Alastor leaned forward, letting that hand roaming his scarred chest press more firmly, as if granting permission for those black claws to plunge in through his ribs without hesitation to seize the soul. Surely... even if he'd given his soul to someone or something else, Lucifer could steal it away all for himself.

"And if I told you to chain it to your soul?" he purred. Glue himself to the strongest creature in Hell, possibly beyond. The stunning, terrifying, beautiful demon he's creating a child with in defiance of EVERYTHING. "To bind us, eternally?"