Verbalizing the name of their enemy changed the very psychology of how they thought of their crisis.
With a name tagged to at least one of the threats they faced, there was less to fear, psychologically.
It was less in the territory of the unknown and got closer and closer to the realm of what was known. That didn't change the risk or the danger in any material sense, but it did reduce the uncertainty and lack of confidence that had come with the absence of knowledge.
However, the interrogation didn't stop there.
They went on to discover the names of all six continents as well as the names of various waters and oceans across the true world in one fell swoop.
To the right of Acherialis was Sirinwel, the eastern of the two northern continents. From what little they were able to make out of from the mico-reactions and the non-verbal communication signatures of the foreign entity, it didn't think very highly of the continent.
