Lord Kael, Help Me Rise

Grand Princess Seraphina Corvus is poisoned by her husband, Julian Stratton, and the Empress Dowager. Reborn, she seeks revenge. She allies with Lord Kael, a eunuch, to dismantle the Strattons' power. Feelings blossom. They discover Prince Qi and the Strattons use human sacrifices. Seraphina slays her enemies. She learns Kael endured nine reincarnations to break her curse and grant her rebirth. Kael falls into slumber, awakens 40 years later, fulfilling their vow to 'grow old together.'