The Boss of the Witch Tower Defense World

The creator god of Edward's world turned the entire world into a tower defense world with 1.6 Billion grids in the past, and also contributed to the birth of the witch. From the age of five to 16, women have a certain chance of awakening the witch crystal and becoming an immortal witch. At the same time, they will stop growing and their bodies can only continue to grow by eating magic stones. Men have a certain chance of awakening the ability to create a witch tower that can create magic stones. Cao Yan, a time traveler, male, his current occupation is the world BOSS of Edward World.