The First Bloodline

Afraid of light, bloodthirsty, immortal...Kollin, a transmigrator, discovers that he seems to fit the characteristics of a bloodline perfectly.But the problem is, this strange world has no records of bloodlines!Could it be that I am the first bloodline of this world?No seniors to guide,And no system to help.In order to understand the rules of bloodlines in this world, Kollin has to constantly observe and record the reactions of his body in various situations:【Under direct sunlight, strength is reduced by about 30%】【Throat, heart, brain are no longer fatal weaknesses】【Ordinary food cannot satisfy hunger, only fresh blood can restore physical strength】【Holy water... um?Who gave me holy water!!!】PS:This masterpiece focuses on the territorial war, the bloodline identity is just...