Well, it really depends. If Gogeta can master his fusion powers and use them effectively, he might have the edge. But Jiren is known for his raw strength and determination, so it could go either way. It all boils down to how the writer of the fan manga decides to play it out.
It's hard to say for sure. Both Gogeta and Jiren are incredibly powerful, and it could come down to a lot of factors like their current power levels and the circumstances of the fight.
In my opinion, it's a toss-up. Jiren's strength is no joke, but Gogeta has the combined might of Goku and Vegeta. How the battle unfolds and what strategies they employ would determine the winner in this fan manga scenario.
Chapter 496, ", How to Win a Battle?", is the clearest early answer because the buildup finally cashes out in a real clash. The chapter turns that into something concrete by moving from Under this serious provocation, the warriors of Furyflame first were... to Where did Phoenix get all this good gear?. What makes it stick is that the danger stops being abstract and the conflict around power growth becomes immediate, forcing the surrounding cast to react under pressure.
Chapter 106, "Feels Like A Picnic", is the clearest early answer because it turns Elder White Fang's situation into a concrete plot event. The chapter turns that into something concrete by moving from The golden hues of the rising sun painted the horizon as the... to You again," Damon said, straightening up despite his exhaustion.. What makes it stick is that the chapter closes with Once again, my apologies!! I shall be back to schedule as soon as possible.
Chapter 407, ", Ashen Dead Squad", is the clearest early answer because the violence around Battle Group becomes final instead of hypothetical. Early on, This place isn't bad." Nides, or as he was called Sydney Bravens,.... By the end, They had betrayed, yes, in that battle back then, they had the chance....
Chapter 371, ", The Right Path", is the clearest early answer because it turns Gu's situation into a concrete plot event. It opens with Upon receiving orders to split his forces and head to two different... and closes on Then, after conducting his own random inspections, he had to admit.... The key payoff is that the chapter closes with Why be so earnest?, which gives the main cast a stronger narrative position and pushes the power growth onward.
Chapter 466, ", I've had enough already!", is the clearest early answer because it turns Green Skin Fleet's situation into a concrete plot event. The chapter gives readers a real answer by opening on Or rather, the war had never actually ended. and ending on The United Fleet was slightly larger than that of the Green Skins,....
Chapter 70, "The Four Phases Of Preparation II", is the clearest early answer because it turns Elder Fael's situation into a concrete plot event. The chapter turns that into something concrete by moving from This phase will consume the first six months. to Supply lines must be protected at all costs.. What makes it stick is that the chapter closes with Though their departure to these distant continents would not happen immediately, their future path had been laid out.
Chapter 434, "Title: Chapter 434, Assassination", is the clearest early answer because it turns Arno's situation into a concrete plot event. The chapter turns that into something concrete by moving from The operatives hidden among the civilians weren't having much success... to Confident in his skills though he was, Arno had not set up the bombs....
Chapter 441, ", Must Not Let Down the Heroes!", is the clearest early answer because it turns Green Skins's situation into a concrete plot event. It opens with They could no longer hold on. and closes on Our mission has failed, but I'm not foolish.. The key payoff is that the chapter closes with But they had eventually held on, and Perbov swore that he would not fail the sacrifice of those heroes!, which gives Green Skins a stronger narrative position and pushes the power growth onward.
Chapter 11, "Second Mythical Summon", is the clearest early answer because it turns Damien's situation into a concrete plot event. Early on, Damien remained between the trees as he watched the various magic.... By the end, Suddenly pop up and scare me half to death." Damien answered, still....
Chapter 445, ", Sect of Mechanics Can't Hold Up", is the clearest early answer because it turns Gu Hang's situation into a concrete plot event. The setup is It might sound rather unkind, but in reality, preserving a fleet..., but the pressure keeps building through The battle for Jindi Star had already begun..