"How can I do that… " Lin Li said half-heartedly as he had already proceeded to dip his finger into the blood. Not once did he stop to think if this could be a trap, as there was no need to do so. There were countless Undead creatures in this great hall, and with a high-ranking Vampire at least at level-18, why would they risk the Vampire's freedom with a blood oath when they could destroy him so easily.
As Lin Li felt the boiling blood on his fingertip, he confirmed his suspicions. This had to be a blood oath. The reason was simple. As an Undead creature, a Vampire's blood was unbearably cold. Only when they made a blood oath did their blood boil with their soul fire, just as the blood on his fingertip did…