Late-stage Ghost Lord battles between peak cultivators were already extremely fierce, surging with tremendous energy. In theory, battles between such top cultivators of the Ghost Realm would usually drag on for quite some time.
Unless one side possessed methods so heaven-defying that they far exceeded their own cultivation realm, it would be possible to decide victory and defeat in a short time.
Based on the strength Yi Ao had displayed when faced with the siege of the skeleton army, he could absolutely be considered an exceptionally powerful existence among cultivators of the same stage.
Yet this peak Ghost Lord cultivator had just made his move when he enveloped both Fellow Daoist Yilian and Yi Ao at once, clearly intending to kill them both in an instant.
Seeing the other party act so overbearingly, the two naturally showed no courtesy. Yi Ao unleashed his secret technique, while Fellow Daoist Yilian directly summoned the replica of that banner-shaped spirit treasure.
Leaving aside Yi Ao's methods, the mere fact that Fellow Daoist Yilian fully activated the replica spirit treasure of the Blood Demon Banner had already caused the peak Ghost Lord elder's expression to change drastically.
A replica spirit treasure could be said to be the most terrifying and powerful magic treasure in a lower realm.
Although Fellow Daoist Yilian was only at the early Ghost Lord stage, the magical energy he could instantly unleash was no weaker than that of a late-stage Ghost Lord cultivator.
One terrifying demon bat after another shot out from the bloody mist, pouncing viciously at the elder. The elder's pupils immediately constricted, and a chill suddenly surged up from his back.
Faced with these black demon bats that feared neither death nor annihilation, the elder suddenly felt powerless.
Although he could kill these demon bats, the moment