The sealed Immortal Palace, having suffered heavy damage, had already transformed into a formation diagram that sank deep into the earth vein to slowly recover.
If they had simply relied on waiting, it might have taken a millennium or even centuries to fully restore, but with the supplementation of Xuanyuan Qi, it was a completely different story.
Especially the Tushita Immortal Fire—its flame seed was dim, and if they were to use other spiritual materials, nothing less than the highest-grade spiritual fire, true fire, or malefic fire would suffice to repair it even slightly.
Chapter 556