Unlike Li Fan, who remained trapped by himself in Ningyuan City, other cultivators could explore the Fallen Immortal Realm together.

By incorporating special ritual mediums, they would first arrive in a peculiar space that existed between reality and illusion before entering the Fallen Immortal Realm itself.

Within this space, cultivators could exchange information or even trade items with one another.

Such spaces typically housed specialized arrays that combined ritual stabilization arrays with mental connection amplification arrays, allowing groups of up to four cultivators to venture into the Fallen Immortal Realm together.

Cultivators referred to these intermediary spaces as vanguard realms.

Legend had it that the very first vanguard realm was...