Any damage Night's crystal sustained couldn't be healed just by spawning prisms nor by absorbing darkness element. Only time could fix the Horseman. On top of that, every small injury on Night's real body weakened both her physical and magical abilities.
"Nice trick, but I won't fall for it a second time. Let's see which one lasts longer, if your crippled life force or the daughter of Baba Yaga." Night said with a crazed laughter.
"Has anyone ever told you that your puny flames lack the kick of the real deal?" Night tried to move her crystal core behind the protection of her flesh and armor while Lith hurled another stream of bright blue fire.
It hurt her a lot, but it was far from killing her.
'Dammit, she's right. I might win in the long run, but I don't know if my life force can endure using Origin Flames so many times. My breath is that of a Wyrmling, not of a Dragon.' He thought.
