Here is the full list of all 29 Eternal Hope achievements.
See Heli's true form.
Meet the trickster.
Be saved by the hedgehog.
Come face-to-face with a troll.
Collect a weak soul.
Collect a heroic soul.
Save the hedgehog.
Enter the Dark Forest.
Meet the ancient turtle.
Collect a brave soul.
Collect an adventurous soul.
Collect your first soul.
Collect the first soul fragment.
Meet your first An'mu.
Meet Heli.
Meet the girl in the cliff.
Start a new game.
Save your girlfriend from the Shadow World.
Befriend Heli.
Meet the Charon.
Enter the Forgotten City.
Enter the Temple of Souls
Meet your first Umbra.
Destroy Heliel's heart.
Collect a coward soul.
Collect a pure soul.
Collect a legendary soul.
Collect a condemned soul.
Collect a corrupted soul.