I'm looking for romance novels where the female lead is incredibly powerful and perhaps even hides her strength initially. Are there any good examples of this trope?

That's a fantastic trope! The "hidden strength" female lead in romance is always so satisfying to read. There are definitely some wonderful examples on Novelblur that fit what you're looking for.

One that immediately comes to mind is "The Shadow Queen's Gambit." The heroine in this one is an unassuming scholar who, as the story unfolds, reveals herself to be a master strategist and a formidable force to be reckoned with. She's not overtly powerful from the get-go, but her intelligence and quiet determination are her true weapons, and the way her true capabilities are revealed is just *chef's kiss*. The romance develops beautifully as the male lead slowly realizes the depth of her character and her hidden power.

Another excellent choice is "Beneath the Silk Veil." This novel features a woman who appears to be a demure lady of society, but she possesses a secret past and skills that are far from ordinary. She's incredibly capable, whether it's in combat or in navigating dangerous political waters, and she often has to use her wits and hidden talents to protect herself and those she cares about. The slow burn romance in this one is also a major draw, as the hero is drawn to her mystery and strength.

You might also enjoy "The Oracle's Whisper." While not strictly a hidden strength trope in the same vein as the others, the female lead here has a profound inner power that she initially struggles to control or understand. She's incredibly resilient and has a deep well of emotional strength that allows her to overcome immense challenges. The romance blossoms as the male lead supports her journey of self-discovery and learns to appreciate the quiet power she wields.

These novels often excel because the build-up to the reveal of the heroine's strength is so well-executed. It allows for character development and adds layers to the romantic connection as the hero (and the reader!) discovers more about her. I think you'll find plenty to love in these suggestions. Happy reading!