Dark Moon: The Blood Altar, Vol. 5 (Manhwa) (manga)

Though not by any will of his own, Heli has taken up the sword against his vampire brothers, resulting in a situation as perilous as it is cruel. Unable to escape the powers of an enemy vampire who can take control of their bodies, both Heli and Khan’s group find themselves struggling to get out of danger. Dardan, on the other hand, has discovered a way to obtain royal blood for himself, putting him one step closer to achieving his goals. Moreover, just when the boys thought they were in the clear, they run into a group of formidable enemies, all with powers rivaling their own! Before they can save Seoha, they will have to find a way to save themselves!