Here is the full list of all 14 Robin Hood - there are Sherwood Builders - there are Bandit's Trail achievements.
Hunt down your first doe.
Cut down your first tree.
Mine your first stone.
Collect your first herb.
Rumours about you have begun to spread around Barnsdale because you achieved 10% Reputation there.
You have announced yourself to the people of Barnsdale by achieving 20% Reputation there.
You’ve completed the game’s tutorial with Friar Tuck.
Defeat 25 enemies.
Defeat 100 enemies.
Defeat 25 enemies with a backstab.
Complete your first Royal Convoy Event.
A memento from Tuck.
A memento from Maid Marian.
A memento from Little John.