Board Thread:Theories and Speculation/@comment-36512555-20200101053037/@comment-34656247-20200303004700

Speed lines (which was used) gives the impression of speed, the speed lines were followed by a panel of symbols indicating 3 hits (confirmed by the anime), which is what a blitz is all about. 3 opponents, + speed + 3 hits, + 3 opponents down. Even though you won't accept it, he still easily took down 3 opponents with precog whilst holding back. Feat.

Also Itachi had 13 wins against Shisui when they were sparring, Shisui is renowned for his speed ,that is also a speed feat in itself ,but no proceed to downplay.