For this trophy you'll need to complete Chapter 7: Mortal Combat on the Coast in Ultimate Adventure. Other than the free roaming and story-telling these are the battles you'll partake in during the chapter:
Darui vs Ginkaku & Kinkaku (Zetsu) Mob Battle
Shikamaru (Ino, Choji) vs Edo Asuma (Secret Factor Needed)
Choji vs Gedo Statue (S Rank Needed)
Following these battles and cinematics you'll complete Chapter 7!