The Eye of the Firmament, this divine power, similarly does not require other natural treasures or auxiliary resources; it can be cultivated simply by following the cultivation method.

However, cultivating the Eye of the Firmament is not easy.

It requires extremely high comprehension because many formations need to be inscribed on the eyes.

Simply put, this divine power of the Eye of the Firmament is akin to treating the eyes as artifacts, nurturing them with mystic power, and inscribing complex formations on them.