C1613 One Palace Three Allied Forces.
The Guangling River System and the Aima Realm Continent were separated by millions of River Systems. Even with the help of the realm teleportation array, it would still take a few decades to travel back and forth.
However, the Divine Herb World of the Pill Cauldron Sect would open in three years. This amount of time was not enough for him to rush to the Guangling River System