Castle by the Sea. Trilogy

The waves mix the pebbles, life mixes human destinies. Warriors and slaves, children of Arden and servants of Irion, all are equal before eternity. It seemed that everything was decided, the pieces were set, and the game had begun. But the gods decided to laugh and place a foreign soul in the body of one of the players. And what will Tatiana do, a woman of our world, whom the afterlife has thrown into the body of a duchess? Will she run away? Will she try to simply live her life? Or will she enter the game, accepting the legacy and name of the family? After all, it is not for nothing that the heroine dreams of the Castle by the Sea?