A: From Mr. Katayama, the editor at the time, I was told, "I want Itadori's finishing move," but nothing quite clicked. Eventually, Divergent Fist and then Black Flash were born in that order.
Yuji Itadori's growth in JJK is impressive ... He developed powerful techniques, such as Divergent Fist, and with this amazing power, Yuji was able to fight against quite a few impressive sorcerers.