Crafter's Fate Series by D.B. King

Alastair and Damon venture out of the Middle Kingdom. As always, they seek to gather the finest materials to craft items worthy of the gods. Their journey brings with it great dangers, and they uncover secrets beneath the earth that speak of humanity's origins in this world. Their perilous journey is rife with deadly monsters, strange magics, and peculiar characters. But for Alastair, the Fated Crafter, everything is a tool or material from which to craft legendary items.