Their Cultivation Levels and the Witch Clan's Method of Breakthrough

As for the Obsession Corpse Dao Body, although it would most likely break through before the Second Lecture at Purple Firmament Palace, it had yet to do so, and its Fleshly Primordial Spirit strength was weaker.

Even High-Grade Innate Spiritual Treasures were quite useful to them, greatly enhancing their combat strength and ability to preserve their lives.

Yet Yuan Yan had already broken through to the Middle-Stage Primordial Golden Immortal more than two hundred Epochs ago. Yuan Jie, Yuan Lun, and Yuan Ling had likewise broken through to the Middle-Stage Primordial Golden Immortal more than twenty Epochs ago. Their Fleshly Primordial Spirit strength was no weaker than that of superior High-Grade Innate Spiritual Treasures.

As for the Obsession Corpse Dao Bodies and Evil Corpse Dao Bodies? Other than Yuan Yan's Evil Corpse Dao Body, which was still somewhat lacking, all the rest had already broken through to the Primordial Golden Immortal realm. Though they were only at the Early Primordial Golden Immortal stage, their Fleshly Primordial Spirit had also reached the level of High-Grade Innate Spiritual Treasures.

Given their cultivation realms and their Fleshly Primordial Spirit strength, the vast majority of High-Grade Innate Spiritual Treasures offered them limited improvement.

Some of the lowest-grade High-Grade Innate Spiritual Treasures were even less useful than simply using their fists and feet.

And that was only now. If another thousand Epochs or several thousand Epochs passed, and they broke through to the Late-Stage Primordial Golden Immortal or even Primordial Golden Immortal Fullness, with their Fleshly Primordial Spirit reaching the level of Supreme-Grade Innate Spiritual Treasures, then High-Grade Innate Spiritual Treasures would provide negligible improvements. Even Supreme-Grade Innate Spiritual Treasures would become less effective.

By then, perhaps only Top-Tier Innate Spiritual Treasures or Innate Supreme Treasures could bring extremely significant improvements to their combat strength