All four blood magic subclasses for the casters have some variant of their main blood magic ability, however, regardless of their focus. For wizards and sorcerers, that ability is called Hematurgy. Like the blood mages of Dragon Age, these blood mages can spill their own blood to fuel their magic even when their normal spell reserves have run dry, recklessly harming themselves in the process. This subclass for the sorcerer actually gets bonus hit dice to spend on that feature, and extra healing to make up for the damage, as a way of tying the sorcerer’s default “magic is in your bloodline” theme to the specific “blood magic” theme.