Back in Romania, the sky had turned really dark as Kai began to move toward Constanta with Liliana. His Spirit Power was fully replenished in mere minutes as the lingering energy from Jack-o'-lantern was still around.
Kai purified that lingering energy and turned it into a pure one to replenish his Spirit Power using Amber's technique.
Naturally, such a thing meant there was also impure energy left behind, and it gave birth to a meter-tall Malice, which was destroyed immediately by Liliana with her fist.
Vampires had higher physical abilities than humans, though they were still a league weaker than Oni races. And even though the barrier around Romania kept them from being burned by the sun, their abilities were still only 50% of their usual.