Here is the full list of all 26 Legend of Kay - Anniversary trophies - there are 6 bronze, 14 silver, 5 gold and 1 platinum.
Collect all the other trophies to unlock
Win an extra race without collecting a chilli
Finish the game on „Nightmare“ difficulty
Finish the game on „Hard“ difficulty
Win the fight against Minister Shun
Find and activate all demon portals
Upgrade your chi points to the maximum
Win the fight against Alchemist Tak
Collect 3 different armour types
Collect all hammers in the game
Upgrade your health points to the maximum
Win the fight against The Dreaded Chei Ni
Win the fight against Qian Bei the ancestor
Win the fight against Shun's bodyguard
Collect all claws in the game
Win the fight against Jia-Gu
Collect all swords in the game
Upgrade your extra lives to 9
Complete the second fight training lesson
Get a 20x combo
Get a 15x combo
Get a 10x combo
Get a 5x combo
Win the first fight against the boar
Finish the first boar race
Complete the first sword training