The Seedbearing Prince Part I

Dayn Ro'Halan is a farmer's son sworn to a life of plowing on his homeworld, Shard. After finding a lost artifact called a Seed, he's thrust into an ancient conflict between voidwalkers of the hated world Thar'Kur, and Defenders from a floating fortress called the Ring. Dayn must become a Seedbearer and learn to use the Seed's power to shape worlds before the entire World Belt is lost.