one that really stands out is 'The Elemental Trilogy' by Sherry Thomas. The main characters are Iolanthe Seabourne, a powerful elemental mage with a fiery spirit, and Prince Titus of Elberon, who's more than just a pretty face with his water-based abilities. Their dynamic is electric, literally and figuratively.
Then there's Kashkari, the earth-aligned strategist who adds depth to the group, and Amara, an air-aligned rogue with secrets that could change everything. The villains are just as compelling—the Bane, a dark force manipulating all elements, and Lady Callista, a fire mage with a tragic past. The way these characters clash and complement each other's powers makes the world feel alive. If you love magic systems where personalities mirror elemental traits, this novel is a treasure trove.