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