The Little Viking(Title May Change)

Hicca is the mermaid chief's daughter. Her only dream is to explore the restricted human world's and its treasures. When a certain Prince Toothless steals her heart, she wishes to join him on land. Striking a deal with the sea enchantress, Madeia, her wish comes true, but can she hold up her end of the bargain before it's too late? AU, Toothcup, gendbend. DISCONTINUED.