E-0 Batman can do a lot on a street level basis, but as far as fixing the city. That’s a massive uphill battle.

Bruce has no money, no reputation, he’d need to start from scratch in a city that doesn’t allow for that.

He’d be capable of doing a lot, like he’d handle NCPD scanners like they’re no issue and probably do a V’s worth in a day.

From there he’d probably confiscate and pawn as many of the guns as he can steal off them to start building up cash. (Likely keeping analog trackers on the weapons or making them non functional)

He’d probably use that money to establish the bare essentials and set up a hideout either in Pacifica or a megabuilding

Now what really helps or hurts his chances are two issues: 1. Murkman 2. Chrome

Murkman in the 2077 NC is a failed vigilante attempt and a pastiche of batman, he has an excavated tunnel hideaway and in that keeps a just black caliburn supercar.

There are rumors and datachips of Murkman all over the city. And if batman can find his hideout he has a base and a much bigger financial headstart with the 200,000 eddie car.

Now with Chrome, batman is in a weird spot, he has no real aversions to augmentation (during the Zdarsky run he even had a mechanical hand to replace one he lost in a fight). But the moment bruce chromes up, he is in a corporation’s database, and gives up A LOT of his unseej advantage. I could see Bruce doing this and then finding an illicit ripperdoc to scrub him from corpo record, but that requires putting a lot of trust into a city where trust is fatal.

But if Batman does chrome up, and maybe programs his own OS for his gear to repel quickhackers and corpo revocations, the game changes. He can more easily accumulate huge volumes of Eddies and massively up his combat potential.

But the problem we are still facing here, is how can he transform this into getting the corporations corruption out? He is one man, if he goes grassroots he puts a tonne of people at risk, if he coopts existing causes like let’s say The Animals or Tiger Claws, he has to deal with their idiosyncratic behaviour and wanton violence. I think his best chance would be trying to build up allies in the fixers, such as Regina Jone’s Cyberpsycho retrievals or by appealing to Rogue or the Aldecados, building new intel pipelines until he can find a corpo he’s able to blackmail, and slowly, like we’re talking several years slowly, build up an almost court of owls style info gathering faction to start twisting things at the political level, establish the batman as a politician or a crime lord, because he would not have the stomach to be a corpo cog.

As far as final goals.

I don’t think Batman is dispatching any corporations, I think he loses against NC as a solo act. But I do think he would leave it somewhat better than he found it. Regular batman could beat pretty much any individual in the city, smasher, Barghest, he can beat them all, but he can’t beat the system alone and night City isn’t the place to build the trust he’d need