Here is the full list of all 33 Lost Ember trophies - there are 14 bronze, 13 silver, 5 gold and 1 platinum.
Unlocked all other trophies
Found all relics
Played all animals
Found all mushrooms
Found a weird triangle-shaped thing
Found the golden statue
Triggered all memories
Found and possessed all available legendary animals
Found a weird cube-shaped thing
Found a weird fashion-shaped thing
Found and possessed 3 legendary animals
Found 50 relics
Triggered 20 memories
Found 70 mushrooms
Played 10 different animals
Found 25 relics
Spread spores of each mushroom kind
Found a weird tube-shaped thing
Found 50 mushrooms
Spent a bunch of time underwater
Spent a bunch of time underground
Damaged over 20 remains from the old days
Found 30 mushrooms
Triggered 5 memories
Got through the Flappy Duckling level
Found an odd mini-game
Found a weird... shaped thing
Found a legendary animals
Spent a bunch of time in the air
Rolled for a mile
Found 5 relics
Found a weird sphere-shaped thing
Had too many berries.