The Dark Border Series by Paul Edwin Zimmer

Were it not for the awesome power of the Hasturs, the creatures contained by the dark border would overrun mankind. As humans reeled from the constant onslaught only to rebound, the darkness searched for another path to victory. It stole a princeling and raised him in Shadow, teaching him how to command the living and the dead, how to usurp his brother's throne through magic, and how to turn humans against themselves. And then it sent him home...-from the back cover

Book by Zimmer, Paul Edwin

Y'gora is threatened...Goblins, demons and worse spill over the Dark Border, attacking Rath Tintallain and the priceless treasure it holds. The Hasturs fear that the fall of Rath Tintallain will bring utter destruction, and summon a gathering of the greatest heroes—elves, dwarves, and mortal men—for a desperate stand. And Istvan DiVega is called to join the fray, fighting shoulder to shoulder with men of legend. They are the last defense against the Shadow...-from the back cover

A Hunter's Adventure—And A Heart Bewitched...A brave and heroic hunter, Ingulf could conquer any opponent—until the fateful day when he wounded an enchanted sea maiden and discovered a heartfelt love for her that consumed his soul. When she vanished, he knew his true calling was to find her and win her love—no matter where she went or how long it took... moreA Hunter's Adventure—And A Heart Bewitched...A brave and heroic hunter, Ingulf could conquer any opponent—until the fateful day when he wounded an enchanted sea maiden and discovered a heartfelt love for her that consumed his soul. When she vanished, he knew his true calling was to find her and win her love—no matter where she went or how long it took.With a magic sword from the elf realm at his side, Ingulf set out on a journey that would carry him from the Forest of Demons to the dread land of Sarlow, to the great elf lord himself. Battling savagery, slavery, and strange creatures, Ingulf would know the power and peril of enchantment.-from the back cover less