Drive (ability)

A Drive (ドライブ) is the materialization of a soul's power, made via the power of the Azure. It can be achieved through two methods: Drives manifest in many different forms, examples include Ragna the Bloodedge's Soul Eater and Raquel Alucard's Tempest. Clavis Alucard's existence is simply like a Drive in itself because of his existence as an Illusionary Creature.
 * If a person has a strong soul that pulls the Azure to it (Relius Clover and Valkenhayn R. Hellsing);
 * If a soul gets closer to the Azure (Spinner Superior).

The closer a soul is to the Azure, the stronger the Drive is. However, when a Drive is used, it can leave Remains of Azure; the stronger the Drive, the longer the Remains last.

Hades Izanami is revealed to be the Original Prime Field Device's Drive, but she became her own person now.

In gameplay throughout the series, it normally acts as a character's main unique system mechanic with a number of some of their special moves also tailoring to it. In the main games, pressing D normally activates it, but its mechanics and functions depend solely on the character, and how it directly pertains to their special moves, with the exception of Konoe A. Mercury.