Wang Daoyuan had stayed in this illusion for about six years, while only six days had passed outside.
Entering the illusion placed an enormous burden on divine sense. An ordinary Nascent Soul Cultivator would be doing well to last a single day.
He closed his eyes and carefully sensed his body, discovering that his divine sense had not been depleted much.
Even now, he had only used about one-third of it. He could still remain in the illusion for another dozen or so days.
If he left the illusion now, Mysterious Ice Divine Venerable's divine sense imprint would lose this stretch of memories.
Although he could record the Spirit Refining Art first and have Mysterious Ice Divine Venerable continue the deduction the next time he entered,
he would still need time to familiarize himself with the technique again. Naturally, it would be better to strike while the iron was hot.
"Rest assured, Senior. I still have more than half my divine sense left. Holding on for another decade or so won't be a problem."
Mysterious Ice Divine Venerable nodded. "Then there is no problem. Fusing two cultivation arts will be somewhat less difficult.
The newly deduced Five Spirits Immortal Transformation Art should be completed within five years."
With that, he destroyed the Spirit Transformation model he had created earlier and created another human body model that had just entered the Qi Refining Realm.
He began deducing how the Five Spirits Immortal Transformation Art would look after merging with the Spirit Refining Art. Though the difficulty had dropped considerably, it was still best to deduce it step by step, from low to high.
After all, the Spirit Refining Art was an immature cultivation art. It was unlike Blood Spirit Divine Venerable back then, who had possessed a fully mature cultivation art