Here is the full list of all 11 No Place for Bravery Demo achievements.
Defeat the Dark Thorn
Get 10 perfect parrys
Defeat all the enemies
Defeat the Shield Bearer
Acquire the hammer
Defeat the Heblin Elite
Defeat the Heblin horde
Died more than 10 times
Zero deaths
Play the game without taking any damage
Get 30 perfect parrys