continent and prophetie

(4000 years after the Battle of Jade Mountain). On a continent hidden by an immense mist live extraordinary dragons. But for 2 centuries, peace no longer exists in Petaluria. The wings of nymphs tirelessly stalk the wings of crystal and light. Sapphire, one of the crystal wing princess, can no longer stay hidden underground in fear. But a disastrous event will push her towards the continent of origin of her ancestor: Prince Winter. But what happened?