In " Once Upon a Time, There Was a Spirit Sword Mountain ", Wang Lu treated Hai Yunfan especially because he had special feelings for her. Wang Lu and Hai Yunfan met on Spirit Sword Mountain because of their common interests. As time went by, Wang Lu gradually discovered that Hai Yunfan had a unique charm. She was smart, brave, kind and very caring. Wang Lu was gradually attracted by Hai Yunfan and gradually developed feelings between them. Wang Lu's special treatment of Hai Yunfan included his concern and care for her, as well as giving priority to her in times of difficulty and danger. Hai Yunfan also had the same feelings for Wang Lu, forming a special tacit understanding and emotional bond between the two. In the end, Wang Lu and Hai Yunfan supported each other in their cultivation in Spirit Sword Mountain and overcame many difficulties together. Therefore, the reason why Wang Lu treated Hai Yunfan specially was that he had deep feelings for her and the two of them had established a deep emotional foundation by supporting each other on Spirit Sword Mountain.