Full list of all 34 Sekiro: Shadows Die Twice achievements worth 1,000 gamerscore. It takes around 60-80 hours to unlock all of the achievements on Xbox One.
Achievements they've won
Achievements they've not won
Attained the "Shura" ending
Defeated all bosses
Defeated "Isshin Ashina"
Fully upgraded the "Healing Gourd"
Attained the "Return" ending
Defeated "Sword Saint Isshin Ashina"
Defeated the "Demon of Hatred"
Used Lapis Lazuli to upgrade any tool to its limit
Upgraded Vitality and Posture to their limit
Defeated the "Divine Dragon" and obtained the "Divine Dragon's Tears"
Defeated "Great Shinobi - Owl" at the Hirata Estate
Grasped the inner mysteries of any combat style
Defeated the "Great Colored Carp".
Defeated the "Corrupted Monk"
Traveled to all areas of the game
Defeated "Great Shinobi - Owl"
Acquired all Prosthetic Tools
Acquired all Ninjutsu Techniques
Used the Mortal Blade to sever the Guardian Ape's undying
Defeated the "Guardian Ape"
Defeated the "Great Serpent".
Caught the Folding Screen Monkeys
Defeated "Genichiro Ashina"
Defeated "Lady Butterfly"
Defeated "Gyoubu Masataka Oniwa"
Encountered the Memorial Mob
Returned from the dead using "Resurrection" for the first time
Acquired the Shinobi Prosthetic
Received the "Kusabimaru" from Kuro
All achievements have been unlocked.
Upgraded all Prosthetic Tools to their limit
Acquired all skills
Attained the "Immortal Severance" ending
Attained the "Purification" ending