Prince Titus

Spoilers Ahead!

Prince Titus is first seen as a stuck-up liar in The Burning Sky when he rescues our narrator Iolanthe from Atlantis when she summons a lightning bolt. His mother, Princess Ariadne who is a prophetic dreamer, advised him in his journal to save her because it was his destiny. He followed her instructions to the tee and made sure the prophecy would come true. He tricked Iolanthe into a blood oath so she couldn't hurt him and trained her. Despite how much she hated him they soon grew affectionate toward each other.

Books:

The Burning Sky

The Perilous Sea

The Immortal Heights