Key unlocks include Rin Nohara , Obito (Berserk) , Hanabi Hyuga , and various Six Paths forms by completing specific chapters. Finishing the main story unlocks "The Last" versions of characters.
Go to Free Battle > VS Duel > 1P vs Com. Set the round count to 1, and change the difficulty to "Very Easy." Choose a high-damage character like Madara or Six Paths Naruto and spam your Ultimate Jutsu. You can earn 10,000+ Ryo per 10-second match. Key unlocks include Rin Nohara , Obito (Berserk)
Progressing through the Boruto expansion chapters unlocks specific forms: Unlock Requirement (Scientific Ninja Tool) Complete "Boruto's Foolish Choice" (Chunin Exam) Complete "Father's Guidance" (Road to Boruto) Complete "Momoshiki Appears" (Road to Boruto) Complete "The Showdown" Fast Unlock Strategies Free Battle Grind Key unlocks include Rin Nohara