Wu Xie is the protagonist of the series 'Daomu Biji,' also known as 'The Lost Tomb.' He is a kind-hearted and curious adventurer, drawn into the world of tomb raiding through his family's legacy. In the series, Wu Xie is depicted as intelligent yet naive, often relying on his friends and allies to navigate the dangerous and mysterious world of ancient tombs. His determination to uncover the truth about his family's past and the secrets hidden within the tombs drives much of the narrative, making him a central figure in the series.