C2196 I Knew It Wouldn't Make Sense

But how do you get the dust?

Ye Feng looked down and found that the ashes needed to be burned by the tree trunk of the World Tree.

As for the burning flames, he needed to use the "blaze," the hottest flame!

Ye Feng happened to have the blaze, and he just happened to know where the World Tree was.

The World Tree was not a treasure