Here is the full list of all 35 Yes, Your Grace achievements.
Invest in Tavern business.
Pet Dusty three times.
Complete the game.
Bear saved Cedani.
Buy all upgrades for the Siege.
Help all Radovians.
Say Goodbye to Lorsulia.
Make Asalia marry Varid.
Win battle against Radovia.
Find all evidence and clues for Royal Trial.
Unlock Hunter.
Unlock Witch.
Get through the wedding night.
Buy all upgrades for wedding.
Practice sword fighting with Asalia for the first time.
Pick a nickname for Cedani.
Tell Lorsulia she will be fine, instead of "I Love You".
Buy a rooster for Cedani.
Help Stefan.
Turn the Tavern into a... Public house.
Buy all gemstones from fortune teller.
Sell all paintings from the castle.
Help Lord Etton with his Dust trade.
Audry takes the blame during the Royal Trial.
Confront Ivo.
Buy all upgrades for Radovian Battle.
Give Aurelea a gift.
Let Asalia run away with Maya.
Refuse all Radovians.
Flawlessly complete the Dark Ritual.
Don't lose Aurelea or Cedani.
Make Asalia marry Varid, let Aurelea die, kill the deserter, kill Lord Jovan, kill Beyran, kill Radovian survivors.
Run out of gold.
Run out of supplies.
Hit zero villager contentment.