Tower for Princess

The Dragon-boy Chapay is still a kid and he dreams that when he grows up, he will become as big and strong as his father. And also like father, he will hide princesses from prying princes at the very top of the highest tower.
But bad luck! All towers suitable for keeping the princesses have no direct way to the top. Besides, nobody knows, if there someone very terrible lives!
Help Chapay to overcome the fear and reach the top of the highest tower of the kingdom.