Here is the full list of all 21 AER - Memories of Old (HK/TW) trophies - there are 14 silver, 6 gold and 1 platinum.
Explore the Land of Gods.
Complete the game.
Discover all areas of the map.
Complete the The Monastery.
Find the Ancient Llamba.
Speak to all of the spirit animals.
Find the bones of an old beast.
Find the dwellings of the rift cult.
Find the ancient battlefield.
Find Erin when she's gone.
Find the statue of the fox.
Complete the The Archives.
Find the giant birdshrine.
Find the chiseled stone map.
Find the statue of the crane.
Find the statue of the deer.
Complete the Eventide Sanctuary.
Find the Crab Island.
Get some Lambaby love.
Step into the well.
Escape the collapsing cave.