Throughout 2023, Adam Cole befriended reigning AEW World ChampionMJF, becoming a team called Better Than You Bay Bay, and they eventually won the ROH World Tag Team Championship.[7] Also during this time, MJF became the target of an individual wearing a devil's mask, the same mask MJF had wore prior to becoming AEW World Champion as he had called himself the devil. Cole, however, got injured, leaving MJF to defend the ROH Tag Titles on his own, which he eventually lost to a team referred to as The Devil's Masked Men.[8] At the 2023 Worlds End, MJF lost the AEW World Championship and after the match, he was attacked by The Devil's Masked Men with Cole revealed to be the "devil" that had been targeting MJF, with The Devil's Masked Men revealed to be Cole's Undisputed Kingdom stablemates, Matt Taven and Mike Bennett, turning Cole heel.[9] MJF then took time off due to an injury, but returned a few months later as a heel again. After being cleared himself, making The Undisputed Kingdom a face stable, a now face Cole eventually reignited his feud with MJF and tried to earn a match against him at Full Gear, but came up short. The AEW Dynamite Dozen Battle Royale then occurred during the December 4 episode of Dynamite. Cole entered and he and Kyle O'Reilly co-won the match. It was then announced that they would face each other at Dynamite: Winter Is Coming the following week with the winner facing MJF for the AEW Dynamite Diamond Ring at Worlds End—MJF being a five-time ring holder, having won it every year since it was established in 2019.[10] Cole defeated O'Reilly to finally face MJF at Worlds End.[11]
In the opening match on the Zero Hour show, Toni Storm took on Leila Grey. In the end, Grey attempted a suplex but Storm rolled her up for the win.[12]
Up next Jeff Jarrett faced off against QT Marshall. In the end, Aaron Solo ran down to the ring and distracted Jarrett which allowed Marshall to roll Jarrett up but Jarrett kicked out. Marshall then hit The Stroke on Jarrett and ordered Solo to grab Jarrett's guitar but Jay Lethal ran down to the ring and stopped Solo and they brawled on the outside before brawling to the backstage area. Jarrett then hit The Stroke on Marshall for the three count.[12]
Backstage, Lexy Nair interviewed Toni Storm until Deonna Purrazzo confronted her and challenged her to a match at Fight for the Fallen. Toni accepted and thanked Purrazzo for giving her the opportunity.[12]
In the opening match on the Main show, Will Ospreay faced off against Kyle Fletcher in the Continental ClassicSemifinal with the winner facing the winner of the other Semifinal match later in the night. In the end, Ospreay hit the Hidden Blade on Fletcher but Fletcher kicked out. Fletcher then hit Ospreay with a brain buster but Ospreay kicked out. Ospreay then hit the Styles Clash on Fletcher for the victory and advancing himself to the finals later in the night.[12]
After that, Kazuchika Okada took on Ricochet in the Continental Classic Semifinal with the winner facing Will Ospreay in the finals later in the night. In the end, Okada hit the Rainmaker on Ricochet for the win and advancing to th finals later in the night. After the match Swerve Strickland came out on the ramp while Prince Nana gave fans at ringside toilet rolls. Strickland then wished Ricochet a happy new year while fans threw the toilet rolls at Ricochet.[12]
After that, MJF defended his Dynamite Diamond Ring against Adam Cole while Mike Bennett and Matt Taven served as ringside enforcers so MJF could not use the Ring during the match. In the end, MJF approached Bennett and Taven on the outside while the referee was tending to Cole in the ring and MJF pretended to have been attacked by both men with referee Bryce Remsburg ejected both men from ringside. MJF put the ring on and came into the ring but got superkicked by Cole. Bennett and Taven came back down to ringside and protested the referee ejecting them and, with the referee's back turned, MJF hit Cole with the Dynamite Diamond Ring and hit the Heat Seeker on Cole for the win. After the match, MJF grabbed a steel chair and wrapped it around Cole's leg but Roderick Strong came out and stopped him. Kyle O'Reilly came out and threw MJF in the ring. O'Reilly and Strong then attacked MJF and held MJF up for Cole to hit him with the Dynamite Diamond Ring. All 5 men then embraced in the ring and on the ramp.[12]
Up next, Konosuke Takeshita, who was accompanied by Don Callis, defended his AEW International Championship against Powerhouse Hobbs. Don Callis joined commentary for this match. In the end, Takeshita hit Hobbs with the Raging Fire and pinned him for the win and to retain his AEW International Championship.[12]
After that, Mercedes Moné defended her AEW TBS Championship against Kris Statlander. In the end, both Moné and Statlander tumbled to the outside. Statlander's boot was caught in the apron and was thus forced to remove it. Moné then started stomping on Statlander's leg and hit a meterora from the apron to the outside on Statlander. Statlander barely made it in the ring for a count of ten. Moné hit a piledriver on the apron to Statlander who again barely made it in the ring for a count of ten. Statlander then attempted the Staturday Night Fever but Moné countered and rolled Statlander up for the win thus retaining her AEW TBS Championship.[12] After Moné had left, Statlander received a standing ovation from the crowd.[13]
In the penultimate match, Kazuchika Okada defended his AEW Continental Championship against Will Ospreay in the finals of the Continental Classic tournament with the winner also winner or, in Okada's case, retaining the AEW Continental Championship. In the end, Okada jumped off the top rope for an elbow drop. Okada hit Ospreay with a dropkick. Ospreay hit the Styles Clash but Okada kicked out. Okada hit the Rainmaker on Ospreay but Ospreay kicked out. Okada attempted the Rainmaker on Ospreay but Ospreay hit a standing spanish fly. Ospreay attempted the Os-cutter on Okada but Okada countered with a dropkick. Ospreay hit the Rainmaker on Okada but Okada kicked out. Ospreay attempted a Hidden Blade on Okada but Okada ducked and hit Ospreay with the Rainmaker and then pinned Ospreay to win the Continental Classic and to retain his AEW Continental Championship. After the match, Christopher Daniels came out and said he would normally congratulate Okada but this time would not before revealing he is no longer an Executive Vice President. He then introduced a returning Kenny Omega. In the ring, Kenny Omega gave Okada the AEW Continental Championship and shook his hand.[12]
In the main event it was a Four-way match with Jon Moxley defending his AEW World Championship against "Hangman" Adam Page, Jay White and Orange Cassidy. In the end, Cassidy hit Page with a Stundog Millionare and then White hit Page with a hurracanrana. Moxley hit White with a knee strike and delivered a cutter to Cassidy. Page and Moxley then began to exchanged forearms in the middle of the ring until Cassidy hit a DDT on Moxley. Page hit a discus lariat on White and Cassidy hit White with the Orange Punch. Cassidy attempted to pin Moxley but Page dragged the referee out the ring. Page hit the Buckshot Lariat on Cassidy and then Page hit Moxley with the Dead Eye. Wheeler Yuta then grabbed Page's boot while Marina Shafir passed Moxley a chair but Page kicked the chair away and out of reach and hit Moxley with the Buckshot Lariat. Page then hit Cassidy with a low blow and White hit Page and then Moxley consecutively with the Blade Runner and White pinned Moxley but Yuta came into the ring and attacked the referee ultimately breaking up the pin. Shafir snuck into the ring but White intercepted her and hit her with the Blade Runner. Moxley then hit the Death Rider on White and pinned him for the win and to retain the AEW World Championship. After the match FTR (Dax Harwood and Cash Wheeler) appeared and then a returning Adam Copeland came out on the ramp. They ran into the ring with the Death Riders retreating. Copeland then told Moxley on the microphone that they were taking it all. A Trios match was subsequently made official for Fight for the Fallen (2025).[12]