Sisk, the keeper of dragon. Once an ordinary wizard, the flame borne unto us a dragon from the eternal pyre.

What shall the dragon's role be? What role does an undead dragon play? The clues may just lie in the lore of Viserion.

https://www.telegraph.co.uk/tv/0/ice-dragon-viserion-game-thrones-night-king-white-walker-weapon/

Entered by: 0x12b7…9562 and preserved on chain (see transaction)