With no need for incantations or physical movement to cast it, bloodmagic is possibly the most lethal and silent weapon out of all. Any of a mage's victims, if unprepared, would be none the wiser to whomever casts their bloodpower over them.

When she begins, his arms twitch, jerking up slightly only to quickly recoil back to his sides. Fingers extend then flex inward again, as if he could unwind the suddenly sluggish viscosity within his arteries. Somnus exhales silently through his nose, his dark eyes watching her patiently.

It seems that this amount, he can endure. "More."