Seril Scourgebane is a level 57 weaponsmith located in Everlook in the contested territory of Winterspring.
He starts the quest 
[61] Corruption (Blacksmithing, Dungeon).
See List of Winterspring NPCs.
Trivia[]
He shares his surname with Crok Scourgebane, but since Crok is an orc and Seril a human, it's highly unlikely they're related.