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