Dan Raven waited for a new opponent and began to prepare for the duel. Suddenly darkness condensed around him. At first, the shadow from his body thickened to a strong degree of blackness. The shadow began to grow and expand and soon the man's figure disappeared from the eyes of observers. It was a useful spell of the School of Blood. Every experienced vampire knew how to use this skill to hide his presence. Vampires were easy to navigate in the darkness. Children of the Night sensed any form of life that carried blood. "Does this boy want to show us his power of Intelligence? I don't understand why he's wasting energy," one of the elves expressed doubt. None of the observers could have known that Dan had simply decided to restore his mana supply. The group knew he could summon hobbits

