How to make the most progress in Castleville

To make quick progress in Castleville:

•    Use ENERGY wisely!

•    Concentrate on completing quests.  Don’t use all energy resources clearing trees and rocks.
•    Collect only necessary amount of materials.
•    Increase nobility by purchasing castle buildings. Castle expansions have nobility requirements before expansions are allowed.
•    Explore the gloom for big rewards!
•    Satisfy the needs of friendly subjects. Each character offers special rewards and provides helpful tips.
Info from CastleVilla Custumer Support