The ability to infuse speed with physical combat. Variation of Combat Merging.
High Speed Combat
Rapid Physical Combat
User is able to fight at incredible speed, striking their opponent in rapid succession that may even kill opponents instantly. Their attacks may cause more damage than normal due to gaining kinetic energy, and thus momentum, produced through the speed of each hit. If the speed is fast enough, it can distort space to bypass defenses.
Muneshige Tachibana (Horizon In The Middle of Nowhere)
Racer (Fairy Tail)
Jellal Fernandez (Fairy Tail)
Ichigo (Bleach); via Bankai
Sandy Cheeks (SpongeBob SquarePants)
Stephanie Powell (No Ordinary Family)
The Master (Destroy all Humans!); via Temporal Fist.
Mal (UN Comics)
XLR8 (Ben 10)
Ruby Rose (RWBY)
Straight Cougar (S-CRY-ed)
Pokemon who can learn "Bullet Punch" (Pokemon)
Boros (One Punch Man)
Hyper Fighting equipped (Punch Quest)
The Flash (DC)
Professor Zoom (DC Comics) The second Reverse-Flash who can "deliver hundreds of blows a second".
Ichigo Kurosaki (Bleach) using his Bankai's high speed combat in conjuncture with Shunpo to move at hyper speed.
Hollow Ichigo (Bleach) via Bankai.
Gin Ichimaru (Bleach) using Buto Renjin to extend and retract his blade very rapidly.
Dash (Incredibles) can punch at incredible speed.
After Minato's (Naruto) death, the Raikage was known to be the fastest Shinobi alive...
...until Minato's son, Naruto Uzumaki (Naruto) had surpassed the both of them becoming the fastest person in the Ninja World.
Goku and Meta-Cooler (Dragon Ball) locked in rapid physical combat.
Onion Knight (Final Fantasy III/Dissidia)
Kenshiro (Fist of the North Star) possesses very quick fighting techniques...
...like his signature Hokuto Hyakuretsu Ken (Hokuto Hundred Crack Fist)
Jotaro Kujo's (Jojo's Bizarre Adventure) stand, Star Platinum is incredibly fast during combat that it can throw thousands of powerful punches within seconds.
Chun-Li's (Street Fighters) high speed kicks are famous.
Whenever he enters Gear Second, Moneky D. Luffy (One Piece) is able to pull off one of his most powerful attacks, the Gomu Gomu no Jet Gatling.
Kizaru (One Piece) can strike his opponents at the speed of light due to the power of the Pika Pika no Mi.
Cavendish (One Piece) will slice down people around him at very high speeds whenever his vicious alter-ego Hakuba takes over.
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.
Might Guy (Naruto) using Night Guy, his ultimate technique of such intense speed and strength that it distorts the space of his immediate vicinity to bypass defense.
Sandy Cheeks (SpongeBob SquarePants) beats up Patrick Star with a rapid flurry of punches and kneeing.
Jackie Chun (Dragon Ball) using the Afterimage Strike to create multiple speed clones to attack Tenshinhan in eight directions.
Despite his size Guardian ÄRM, Kung-Fu Frog (Marchen Awakens Romance) is the fastest of all guardians. With his speed and martial arts skills Kung-Fu Frog is one of the most formidable ÄRM in the series.
Dark Sonic (Sonic X) tears two Metarex apart in mere seconds.