Here is the full list of all 13 Barold achievements.
You've found the Gomunkul room!
You've defeated Gura's boyfriend.
You've defeated Gura's boyfriend in Hard Mode.
You've defeated Black Knight.
You've found Jeremy's secret room.
You've defeated Gothmog.
You've completed Barold on Hard Mode. Congratulations and thank you for playing our game.
You've completed Barold on Normal Mode. Congratulations and thank you for playing our game.
You've spoken to Greysen, son of Brinley.
You've collected every armor.
You've defeated Black Knight in Hard Mode.
You've defeated Gothmog in Hard Mode..
You've obtained the Horns of Corruption.