Taming the Corrupted

Taming the Corrupted summary:

Arlenne Serkia is granted the chance to go back in time and devises a plan to ruin the man who stabbed her heart. The key to her scheme is the Kasadin, renowned for his unmatched swordsmanship and stunning beauty. As the only child, Arlene realizes her family and position is at a disadvantage and she convinces her father to take Kasadin in to act as her sword and shield. But Kasadin has a past much deeper and more dangerous than she realizes... and this drives his own motives for staying close to her, both personal and political. If Arlenne isn’t careful, the user might end up being used!