Adam Manns was determined to find his victim, hunting him down and then repeatedly punching him until he was dragged away by onlookers.
His attack left 23-year-old Dale Bessant unconscious on the floor. Mr Bessant was unable to remember what happened but after watching CCTV footage of the attack, he said he felt "sick" and as if he was "seeing a ghost".
The footage was shown to Newport Crown Court earlier this month and Mr Bessant has given his permission for it to be released.
The attack happened in the early hours of October 20 last year when Manns and Mr Bessant were out separately in Bridgend town centre.
The two men were involved in an "altercation" at the Eden Bar on Market Street in the early hours of the morning. Manns, 33, went out searching for Mr Bessant and found him standing outside a takeaway where he punched him to the floor.
Manns hit Mr Bessant and continued to punch and stamp on him while he was on the floor. Nearby door security and onlookers had to rush to restrain Manns before police arrived to arrest him.
During Manns' sentencing at Newport Crown Court, prosecutor Timothy Evans said the two men had been involved in an "altercation outside the doorway” of the Eden Bar on Market Street.
He said Manns lowered the peak of Mr Bessant’s hat repeatedly and Mr Bessant struck him in the face in retaliation, after which they left the area in opposite directions.
“The prosecution suggest the defendant searched the town centre for Mr Bessant, found him and attacked him outside a nearby takeaway premises without warning,” Mr Evans said.
“All of that was caught on camera which I shall now play.”
Mr Evans played CCTV to the court which showed Manns speaking with door security outside another club.
The bouncer gave evidence as a prosecution witness saying Manns asked him if he had seen a man matching Mr Bessant’s description.
Another CCTV clip showed Mr Bessant stood outside the takeaway before Manns approached him from across the street.
The footage shows Manns punch Mr Bessant and the attack is seen to continue out of frame.
A video from another angle shows Manns punch Mr Bessant to the floor and continue to punch him and stamp on him.
The prosecutor said Mr Bessant did not get back up and was taken to hospital in an ambulance.
Mr Evans said: “He has a fractured nose, fractures to a finger, he had bruising to his face.
“He is described in one statement as having cuts to his mouth.”
He said Mr Bessant was also diagnosed with a concussion.
Speaking after the court case, Mr Bessant said: "When the police showed me [the CCTV] it was more when I was on the floor that was the worst part.
"The way my head was going back and my body going stiff. It made me feel really sick - it was like seeing a ghost."
Mr Bessant recalled the ambulance ride, and being unable to remember why he was there or what had happened during what he described as a "brutal" attack.
He said: "I just remember waking up in the ambulance. I was just completely out of it."
Mr Bessant said the incident is still having an impact on his sleeping patterns. He said: "I either sleep too long, or too short. I don't like to think about it or remember it.
"I try to keep myself distracted by doing things and keeping busy."
Mr Bessant thanked the strangers who came to his aid and the quick response of the nearby bouncers, the police and the ambulance service.
Rhodri Chudleigh, defending, told the court that Manns recognised the consequences of his actions could have been far more serious and he accepted there was no justification for what he did.
He said Manns had been suffering with depression at the time of the incident and a family member had died in tragic circumstances a few months previously.
He said Manns had expressed remorse for his actions.
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Manns, of Pyle Inn Way, Pyle, pleaded guilty to a single charge of causing grievous bodily harm with intent at an earlier hearing.
Sentencing him, Judge Richard Williams said Manns’ behaviour was “calculated if not cold-blooded”.
“You stamped forcefully on his head,” he said.
“That action was intended to cause serious injury.”
Judge Williams sentenced Mann to four years and eight months in prison. He will serve at least half of his sentence in custody before being released on licence. A victim surcharge will also be drawn up.
