The catastrophe.
Although Daneel's full attention was still focused on the two pieces of the Grand Inheritance that were just lying around in the open, this did catch his attention.
As soon as he heard it, though, an image entered his mind- that of a crazed man massacring thousands of citizens, who all couldn't believe that the one whom they had trusted for all their lives was actually the one carrying out this fiendish act.
Of course, it was the first vision he had been shown when he had broken the first seal on the Empire Spirit, right after establishing a considerable satisfaction level using the Olympics.
Ever since Daneel had uncovered the information regarding the Grand Inheritance in the Secret Archives of the Goddess's Sanctum, he had automatically assumed that it must be something physical that would impact the continent in some way because of the usage of such a power that wasn't supposed to belong to anyone.