Prepare Defenses and Attack Construct walls and towers to stall the enemy and prevent them from breaking into your castle. Fend off massive sieges and upgrade your defenses. Use siege weapons such as the ladderman, the catapult and the siege tower to besiege enemy castles. Siegetowers are incredibly powerful. They can transport units onto enemy walls with ease. Explore Beautiful Worlds Construct hot air balloons to explore the skies and travel between majestic floating islands. Build settlements in unique locations. There are green fields, hot deserts, volcanic craters and more to be explored. Hot air balloons are the way you can transport units between floating islands. They can also be used as flying weapons if you place archers in these balloons.