Cayna ends up summoning a white dragon and shows the dragon’s “dragon”. Some japanese wordplay in the scene so it is hard to tell unless you are a veteran weeb.
Anime name:
Leadale no Daichi nite
World of Leadale
In the Land of Leadale
リアデイルの大地にて
Land of Leadale Episode 1
Land of Leadale Episode 2
Land of Leadale Episode 3
Land of Leadale Episode 4
Land of Leadale Episode 5
Land of Leadale Episode 6
Land of Leadale Episode 7
MAG.MOE - The MAG, The MOE.