Here is the full list of all 8 Moeras achievements.
Found and killed the wandering beast within 2 minutes.
Entered 10 different watch towers.
Killed the wandering beast.
Found the wandering beast.
Fired 50 arrows.
Retrieved 30 arrows from the ground.
Stood in a puddle of water for a little too long.
Looked at the intro scene for 3 minutes...