In Northrend, Arthas claimed the cursed runeblade, Frostmourne , believing it would give him the power to defeat the Scourge [10, 11].
: This "at any cost" mentality eventually led him to Northrend in pursuit of the demon Mal'Ganis [2, 11]. 🗡️ Frostmourne and the Lich King Arthas – Das Spiel
: He serves as the final raid boss of Icecrown Citadel in the Wrath of the Lich King expansion, where he is eventually defeated by Highlord Tirion Fordring [11]. Arthas claimed the cursed runeblade