Here is the full list of all 34 Sekiro: Shadows Die Twice trophies - there are 18 bronze, 11 silver, 4 gold and 1 platinum.
All trophies have been unlocked.
Upgraded all Prosthetic Tools to their limit
Acquired all skills
Used Lapis Lazuli to upgrade any tool to its limit
Attained the "Return" ending
Attained the "Shura" ending
Defeated all bosses
Defeated "Isshin Ashina"
Upgraded Vitality and Posture to their limit
Attained the "Purification" ending
Defeated "Great Shinobi - Owl" at the Hirata Estate
Acquired all Prosthetic Tools
Fully upgraded the "Healing Gourd"
Defeated the "Demon of Hatred"
Attained the "Immortal Severance" ending
Defeated "Sword Saint Isshin Ashina"
Defeated the "Great Colored Carp".
Defeated the "Great Serpent".
Defeated the "Divine Dragon" and obtained the "Divine Dragon's Tears"
Defeated the "Corrupted Monk"
Traveled to all areas of the game
Defeated "Great Shinobi - Owl"
Acquired all Ninjutsu Techniques
Used the Mortal Blade to sever the Guardian Ape's undying
Defeated the "Guardian Ape"
Caught the Folding Screen Monkeys
Defeated "Genichiro Ashina"
Grasped the inner mysteries of any combat style
Encountered the Memorial Mob
Defeated "Gyoubu Masataka Oniwa"
Defeated "Lady Butterfly"
Returned from the dead using "Resurrection" for the first time
Acquired the Shinobi Prosthetic
Received the "Kusabimaru" from Kuro