How do you unlock kabuto sage mode in naruto ninja storm 3?

To unlock Kabuto's Sage Mode in Naruto: Ninja Storm 3, you need to complete the game's story mode and reach the point where you face Kabuto in battle. After defeating him, you can use a specific technique during the fight to access Sage Mode. Additionally, make sure to complete any necessary side missions or challenges that may be required to fully unlock his abilities. Once unlocked, Kabuto can use Sage Mode in battles, enhancing his skills and techniques.