A young Soul-Eater, the moment it is created, is planeshifted to the material plane. It only needs to devour thirty humans to grow into an adult Soul-Eater.
When Zheng Zha entered the Bronx, what he saw was an adult Soul-Eater that had already grown into a high-level demon.
The demon, standing over three meters tall, used its long fingers to pick up a living person. Its slender claws pierced the human body, blood streaming down the claws. The demon licked the human blood and bit off the neck of the living human, who was still struggling in agony.
Chapter 72