A Dragon's Wish

When a prodigal star returns home from a long journey he is surprised by what awaits. Angered by the actions of traitorous snakes and determined to see justice for those wronged, he heads into the Dragon's Den. How will the fate of Westeros be changed by his sudden return? And with The Long Night creeping closer can this Mourning Star help bring the Dawn? House Dayne OC. Season 7-8 AU