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