Here is the full list of all 12 Monsters Domain Playtest achievements.
You have raised the first dead!
Possess in to a minion
You made it out of the dungeon
You have crafted first item
Mine an ore to collect silver
Cut down a tree
Build a stone house
Build an army of 15 minions
Survive 3 raids
Survive 6 raids
Survive 10 raids
Collect all 6 scrolls