In order to give his junior sister a surprise, he chose not to tell her in advance.
Moreover, having not returned to the North City Immortal Sect for quite some time, he had to meet his master and fellow disciples—it was possible that they might not have as much time to meet in the future.
Ye Tian fully understood that at this moment, his mission was even more important than cultivation.
The happy days spent in Xiamen, North City, could only be considered a part of his life's experiences.
Ye Tian estimated that traveling from the Imperial City to the North City Immortal Sect would take just one day with his flying ship's non-stop flight.
In that one day, all he needed to do was to place a low-grade Spirit Stone on the flying ship.
Perhaps some people wouldn't waste that one Spirit Stone and would use their own Spiritual Power to propel it instead.
But Ye Tian, who was not short on money, how could he begrudge a single Spirit Stone?