gentle fist

“Right ...” He heard Mukai behind him.
Gentle Fist stance.
“Eight Trigrams Two Palms.” The heels of his right and left palms
slammed into Itachi’s stomach in succession.
“Eight Trigrams Four Palms.” Before Itachi had a chance to breathe, this
time, four blows slammed into him.

“Eight Trigrams Eight Palms.” As if sneering at Itachi’s brain as it fumbled
for the start of a counterattack, Mukai assaulted him mercilessly with
successive attacks.
“Ngaaaaah!” Itachi heard a cry from Mukai’s right side. The byakugan’s
blind spot.

Book of Dark Night Chapter 4 Part 2