World of Warcraft: Wrath of the Lich King focuses on the conflict in Northrend against Arthas Menethil, who merged with the spirit of Ner'zhul to lead the Scourge. The narrative culminates in the fall of Icecrown Citadel, led by the Ashen Verdict and culminating in Bolvar Fordragon becoming the new Lich King. For a detailed breakdown of the 2022 re-release phases, visit Wowhead . The Idiots Guide to Warcraft Lore, TLDR version : r/wow