Here is the full list of all 11 Fate Hunters achievements.
Buy all cards in collection
Kill all bosses
Kill the Junkman
Kill 10 Mimics
Kill the Master
Buy 100 cards from the Merchant
Play Adventurer card 100 times
Go through 100 special rooms
Upgrade 10 weapon cards
Play Curse card 100 times
Leave a tower with 200 or more gold