What a charming contradiction. A fight for his life would make him a man, but only a just man so long as his intent was not to harm whoever sought his blood? Invoking a singular god sat poorly with Sirius. He preferred his gods many, and petty, and charmingly flawed. Sacred and accessible.
"Your.... 'ethics' permit no moral killing, then?" Sirius couldn't help asking. Would Jake rather see them Kissed? Worse than death, that, by Sirius's reckoning. A living hell. At least, for all Sirius's faults, he had the capacity for mercy. "This god of yours sees no justice in killing a man who seeks to kill those you love?"