The power to enhance physical attacks by repeating the same attack. A technique of Enhanced Combat. Advanced version of Multi-Hit Strike.
The user can generate multiple attacks repeatedly/numerous times and the enemy has no way of defending against the attacks, from any direction.
Grimmjow (Bleach) launching a barrage of punches at Ichigo.
God Fist's (Kenichi History's Strongest Disciple) techniques are advanced enough that his attacks come from multiple directions.
Might Guy (Naruto) using Morning Peacock, punching Kisame at such rapid speed that flames are created from sheer friction.
Might Guy (Naruto) using Evening Elephant to punch five times at tremendous speed and force, each one progressively stronger, creating vacuums of devastating damage.
Luffy (One Piece) using Gomu Gomu no Storm to finish Crocodile.
Luffy using Gomu Gomu no Jet Gatling to finish Lucci.
Luffy using Gomu Gomu no Elephant Gatling to shatter Noah.
Hashirama (Naruto) with his Sage Art Wood Release: True Several Thousand Hands can use it's ludicrous number of hands to hit the Susanoo armored Kurama and even break it's armor.
Jonathan Joestar (JoJo's Bizarre Adventure Part 1: Phantom Blood) unleashing his signature ability, Sunlight Yellow Overdrive.
Star Platinum (JoJo's Bizarre Adventure Part 3: Stardust Crusaders), the Stand, or guardian, of Jotaro Kujo unleashing it's iconic barrage of punches.
Sunlight Yellow Overdrive