After passing through the Giant Bronze Gate, the filthy Yin Qi from the inner layer of the Secret Realm assaulted them, with a concentration far exceeding that of the middle and outer layers, yet not quite reaching the pinnacle of the core treasure zone.
For an early Nascent Soul True Monarch, merely proactively circulating the Primordial Spirit would suffice to essentially fend off the erosion.
However, this Yin Qi carried a strong suppression of the Divine Soul, causing even the Divine Soul of ordinary Core Formation cultivators to tremble within the Sea of Consciousness, rendering them unable to stand their ground.
Li Ji'an emitted a faint golden Primordial Spirit glow, isolating the Yin Qi from his body.
