Yakuza 7 DLC

I've probably spent 20 hours struggling to beat the True Final Millenium Tower, but always die 3/4 of the way in. I was wondering if purchasing the dlc, especially for those new jobs, would make it easier to beat so I can finally get that platinum trophy. I know I could grind some more, but I don't mind spending some money to get it since I love everything about the game except this. So does it make this final challenge easier?