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.
Acquired all skills
Upgraded all Prosthetic Tools to their limit
Attained the "Shura" ending
Defeated all bosses
Defeated "Isshin Ashina"
Attained the "Purification" ending
Attained the "Return" ending
Attained the "Immortal Severance" ending
Defeated "Sword Saint Isshin Ashina"
Defeated the "Demon of Hatred"
Upgraded Vitality and Posture to their limit
Used Lapis Lazuli to upgrade any tool to its limit
Defeated the "Divine Dragon" and obtained the "Divine Dragon's Tears"
Defeated the "Great Colored Carp".
Fully upgraded the "Healing Gourd"
Grasped the inner mysteries of any combat style
Defeated the "Corrupted Monk"
Acquired all Ninjutsu Techniques
Used the Mortal Blade to sever the Guardian Ape's undying
Defeated "Great Shinobi - Owl" at the Hirata Estate
Traveled to all areas of the game
Defeated "Great Shinobi - Owl"
Defeated the "Great Serpent".
Acquired all Prosthetic Tools
Caught the Folding Screen Monkeys
Defeated the "Guardian Ape"
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