Hiccup icon

Hiccup: "Wow, your bond with your dragon is getting even closer! I think [Your Dragon's Name] is ready to grow older. Go to the Hatchery and stand in front of the Dragon Hearth. Your dragon will use that heat to shed skin and grow. You can go back whenever any of your dragons reach Rank 10!"

1- Go to the Dragon Hearth in the Hatchery to evolve your dragon