The Sun Stone in "Dragon Quest III: HD-2D Remastered Edition" is a very special prop in the game. If you want the Sun Stone, you can go to Robin O'Dea, who is imprisoned next to the church. of prison and shared with you a useful piece of information to prove that he has reformed.
How to get the Sun Stone in Dragon Quest 3 Remake
The Sun Stone is the first component that can be found in Dragon Quest III HD-2D Remastered. While few will give solid clues, a familiar face will help - "Robin O'Dea". He is being held in a jail next to the church and shares a useful piece of information with you to prove that he has reformed.
He tells you that the Sun Stone is hidden in Radadome Castle. Sure enough, the Sun Stone is inside the castle, in a separate box on the second floor.