As the saying goes, a single satisfying meal is not as good as meals that satisfy every time, Jiang Lu knew very well that if he solved someone's problems all at once, providing a permanent solution, they might treat him like a deity for a short period, but over time, people's hearts change. When they've gained all the benefits they want, who cares about a smelly 'Qi Cultivation Stage' practitioner with no residual value?
Although he couldn't stay in the Spirit Realm forever, there were still nearly a month left until the grand sacrificial ceremony, and a steady trickle is always better than a flash in the pan.
So showing his face daily was the best choice.
With the Qi Replenishing Pills he got from the Guanxing Tower, Jiang Lu returned to the academy.
Just like when he left, the annex was just as deathly quiet upon his return.