Used Lapis Lazuli to upgrade any tool to its limit

Defeated all bosses

Attained the "Return" ending

Attained the "Immortal Severance" ending

Defeated the "Great Colored Carp".

Upgraded Vitality and Posture to their limit

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

Traveled to all areas of the game

Defeated "Great Shinobi - Owl" at the Hirata Estate

Defeated the "Great Serpent".

Used the Mortal Blade to sever the Guardian Ape's undying

Acquired all Prosthetic Tools

Defeated "Genichiro Ashina"