Descent
Proserpina managed to tell him without laughing, still terribly amused, “...Thanatos has taken lives for less.”
Indeed, Thanatos–the god of death, her father's right hand–had been delegated as her personal weapon on the night she was named as heir of the underworld in order to keep her soul bound and the former to split his immortality with the relatively new goddess.
The god of death's vessel was a black sword with a polished blade, the hilt engraved with the name of Thanatos through Proserpina's human dried blood, binding death to her in perpetuity…
Alastor whistled, impressed.