The moment Adam unleashed his aura blast without paying attention to his surroundings, the reverberation of his power was felt throughout the entirety of the coverage of his zone— created by his skill 'The World.'
Which was a whopping radius of more than one kilometer or a little under one mile.
One of the greatest fears all living creatures gifted with reason had was the fear of death— their eternal demise from the realms of the living.
The knowledge that the end was ever approaching and there was nothing that one was able to do to stop that phenomenon from occurring was a deep fear that lurked in the depth of everyone's hearts.
When the power of Death washed over everyone present inside the blast range, this deep fear was brought back to the very surface of their minds and the subsequent results were more than evident for all to see.