Daily assignments are not only about possible additional earnings and gaining additional experience.
A daily task can be completed only once a day.
We have until 6:00 AM to complete the task.
If we do not complete the task by that hour, it is lost and after that hour we can already complete another task.
In each task, in addition to experience and money, we can gain items needed to perform addons or other valuable item randomly issued by Dailan.
In addition, we keep daily task points, which can be used with his brother Delaney.

Delaney can convert your points to access green portals (they appear in various locations on the map) for 24 hours.
They are usually good respawns for party-exp but not only.
Green portals are also opened randomly depending on the day.
This can be checked on the board that Delaney watches over.