Diablerie

Diablerie the act of a younger vampire from the World of Darkness draining an older vampire of blood. Killing it, and absorbing its power. It is a heavily condemned action in vampire society, often resulting in a blood hunt being called on the diablerist. Diablerie is an action that is possible to commit in the Vampire: The Eternal Struggle.

In Vampire: The Requiem, diablerie refers to the draining of another vampire's soul after completely draining their Vitae.