Douluo: Not enough blood? Use your brain

Traveling through the Douluo Continent, during the Legend Dragon King period, what should I do if I don't have a heaven-defying bloodline?

"Not enough bloodline? Use your brain!" Xu Yuan gave his own answer.

This is a world where bloodline is supreme, and anyone who has anything to do with bloodline will be suppressed by the Golden and Silver Dragon King.

But apart from bloodline, which path can lead to the ultimate...