I used to think it was the strongest castle. Now it's clear that each castle has its own strengths. The Castle has many advantages: from the fact that in the stables on the maps, cavalry units become champions for free, to the presence of a griffin conservatory, where you can acquire angels. The advantages that I particularly like: The presence of Adela (a hero-diplomat), a griffin conservatory (if it's on the map), and relatively fast development of the combat component. Besides, IMHO, the Castle has quite strong units for its level.