Here is the full list of all 20 Dungeon Origins achievements.
Unlock your first evolution
Defeat the Archbishop
Have 5 raids in progress at the same time
Buy a Blacksmith
Survive day 30
Defeat the Enslaved Troll
Infuse a monster with magic
Kill the thief
Defeat the Fake Hero.
Defeat the Warlock
Defeat the Royal Guard
Defeat the New Hero
Survive day 60
Survive day 100
Fulfill your revenge
Unlock a monster's last evolution
Successfully raid Dragonfall
Buy all expansions
Store 500 gold
Transmute essence into magic stone