Here is the full list of all 47 Stela achievements.
Didn't give up.
Well done.
Shut out the beetles.
Reached the barn loft.
Escaped the barn.
Evaded a Shadow.
Distracted a Shadow with a splash.
Crossed the dark woods.
Survived the flaming arrows.
You were almost a sandwich.
Evaded the rolling log.
Climbed the crushing wall.
Unsealed the door to the sunken chamber.
Escaped the awakened monster.
Drove away the burrowing creatures.
Burned the rope.
Escaped the burrowing beast.
Rang the broken gong.
Crossed the frozen lake.
Fed a Shadow to a beast.
Used the crane to avoid a Shadow.
Dropped the chute on a Shadow.
Rode the elevator.
Witnessed the dark swarm.
Gathered fire from the monastery chandelier.
Reached the inner sanctum.
Aligned the monastery device.
Crossed to the other side.
Solved the stela maze.
Witnessed the credits.
Fullfilled your destiny.
Finished the game.
Finished the game without dying.
Finished the game in under 90 minutes
Collected all the secret flames
Discovered a secret
Collected 5 secrets
Collected 10 secrets
Escaped the farmhouse without dying.
Escaped the dark woods without dying.
Crossed the battlefield without dying.
Escaped the abyss without dying.
Crossed the snowfields without dying.
Avoided the dark swarm without dying.
Passed through the gate.
Witnessed the end of the world.
And the cycle begins anew.