Board Thread:Episode Discussion/@comment-4141313-20181110034633/@comment-27745396-20181110185012

Yellow(gold) and purple = complementary colors

Eastern and Western Dragons = same yet opposites (both in sense of directions and the nature of the dragon. Western dragons are mindless, greedy beasts while eastern dragons are wise and often helpful)

Gold and Black = Light and darkness, Again, opposites.

Conclusion: The dragon forms reflect perfectly the the Two Brothers' equality in power and their opposing natures.

Not everything needs to be about ships, you know