It was a marvel of engineering, that castle in the clouds...
Ten of Pentacles represents: castle in the clouds, comfort, wealth, security, home, domicile, prosperity, improving finances, money from outside sources.
Ten of Pentacles inverted represents: robbery, family disputes, money problems, violation, legal troubles.
Notice crescent moon, foundation of castle is on fire (forged from flames?), tower of castle encased in largest Pentacle (a beacon?).
The suit of Pentacles represents the body and the physical world. It is also associated with the element of earth. In the Archeon Tarot, the suit often indicates a more masculine perspective than in the traditional Tarot.