Godsend Backfire: The Middle

Series:

After being kidnapped from his pregnant, werewolf wife. Roldian wakes up in strange land on top of a tall tower. His Kidnapper Shun-Ga-L0, keeps Roldian prisoner, bound with a magical shackle until he's done with Roldian. Roldian, learns to be a master swordsmen before leaving. Upon his return, the life he left behind his in turmoil, his wife gone, his kids gone, believed to be living with a vampi