Customized Inheritance
In the end, there were multiple factors the Primordials didn't know!
Hence, it had been a shock for them to receive the information that a halfling entered the Dungeon of the Primordial Descendant
First, in order to initiate a real soul awakening, one had to be at the Ascendion stage. This meant that one's soul and energy vessel had to be merged.
Without that, it was impossible to truly awaken one's soul, and shockingly enough Jason had yet to reach that stage.
This was something the Primordials took for granted because it was not even necessary to make any effort in order to enter the Ascendion stage, at least for them.
As such, they expected something to happen that was impossible to occur, to begin with.
Meanwhile, the Dungeon's sentience was clearly aware of this owing to the evaluations it had done in the times Jason was teleported from one place to another.