Here is the full list of all 27 Nowhere Prophet achievements.
Defeat 10 boss enemy leaders in battle.
Scrap 100 cards in battle.
Rename a follower.
Put 100 Bandit followers into play.
Collect your first mythic follower.
Destroy 50 obstacles in one game.
Win 10 battles.
Win a battle against a boss or elite enemy without your leader losing any health.
Complete the campaign.
Win 200 battles.
Win 500 battles.
Travel for a total of 14600 days.
Remove 25 leader cards.
Destroy 1250 enemy followers in battle.
Put 100 Beast followers into play.
Put 100 Drone followers into play.
Put 100 Hilltribe followers into play.
Put 100 Blue Devil followers into play.
Put 100 Machinist followers into play.
Put 100 Raj Guard followers into play.
Put 100 Shiram followers into play.
Put 100 Dreaming followers into play.
Put 100 Union followers into play.
Reach level 10 with your prophet.
Win a battle with at least 10 excess damage on the enemy leader.
Complete the campaign in 250 days or less.
Complete the daily challenge with a score of 25.000 or more.