Each victory brings you closer to Orochi's stronghold but also draws more attention from powerful foes. You learn that Orochi plans to use the Elixir of Harmony not for peace, but to merge the dimensions of China and Japan under her tyrannical rule.
—including scenarios, outfits, and weapons—built directly into the game from the start. specific requirements for unlocking any of the hidden characters? warriors orochi 3 ultimate nsp
I see you've mentioned along with the file format .nsp (which is typically associated with Nintendo Switch games). Each victory brings you closer to Orochi's stronghold