Here is the full list of all 36 Hardland achievements.
Get the Baron's mask.
Sleep by the green campfire.
Gain the first rank with the Imps.
Get the most precious armor in Hardland.
Craft your flute.
Become part of the Grimaldi Ring.
Craft the Eldest King puppet.
Light the funeral pyres in Port Pulgar.
Give the final birthday present to Elena.
Get von Mayerling's armor.
Plant the first parasite.
Get Private Rajat's helmet.
Find Sir Cobold's cap.
Find and kill Sir Kuolema.
Find out who stole the mask from the Glass Passage.
Get Fortuna's Sword.
Free the Witch of Hardland.
The first ending.
The second ending.
The third ending.
The fourth ending.
The fifth ending.
The sixth ending.
The seventh ending.
The eighth ending.
The ninth ending.
The tenth ending.
The eleventh ending.
The twelfth ending.
The thirteenth ending.
Steal the gold from the Clan Cartwright shrine.
Do you speak Bwock?
See what Emmanuel saw.
Tame the beast in the snow.
Find a way to the top of the castle.
Let the boars of Port Pulgar devour your flesh.