Complex sentence: With the help of Wallace Shawn, Dick manages to break out of the castle into the desert, where he meets the king's son and daughter as well as their followers dressed as 6-foot-tall birds, which aren't found on Spengo.
Split into simpler sentences: With the help of Wallace Shawn, he manages to break out of the castle into the desert. Where he meets the king's son and daughter as well as their followers dressed as 6-foot-tall birds, which aren't found on Spengo.