Attained the "Purification" ending

Defeated "Sword Saint Isshin Ashina"

Grasped the inner mysteries of any combat style

Acquired all Prosthetic Tools

Defeated the "Divine Dragon" and obtained the "Divine Dragon's Tears"

Defeated the "Corrupted Monk"

Defeated "Great Shinobi - Owl" at the Hirata Estate

Acquired all Ninjutsu Techniques

Defeated the "Guardian Ape"

Caught the Folding Screen Monkeys

Defeated "Lady Butterfly"

Encountered the Memorial Mob