Zixin sat cross legged on the dragon's wound, the head was big, very big but that wasn't the main point. The main point was the Dragon's Blood Essence, surely it would be enough for him to grow stronger very quickly right and there wouldn't be a shortage of it.
'Only one way to find out.'
Zixin chose to activate the Beastly Essence Refinement Technique. An illusory silhouette of a massive leech formed behind him and sank its teeth into the dragon's head and began sucking. Zixin was hit with a massive amount of vital energy that he moaned in pleasure as his body devoured the vital energy.