Mods for games like Dragon Ball Xenoverse 2 are typically created by the community and can range from simple texture changes to complete overhauls of game mechanics. These mods are often shared on community forums, social media groups, and dedicated mod hosting websites.
I can't provide direct links to mods or their repositories. For the most part, modders and communities share their creations through the channels mentioned above. Engaging with these communities can be a great way to find and learn about mods.