Hearthstone: The Lich King with a Budget Warrior Deck - PlayBlizzard.com
The Lich King - Hearthstone Top Decks
The Lich King Adventure Boss – Before Turn 7 Hunter - Hearthstone Top Decks
How to beat the Lich King with all nine classes in Knights of the Frozen Throne - Dot Esports
Icecrown Citadel Lich King guide: deck lists for beating the boss with all nine heroes - Hearthstone - Metabomb
Update: Breaking solo adventure with Sn1p-Sn4p. Finally got my Arthas, Paladin alternate hero after beating The Lich King (with the help of the Sn1p-Sn4p combo). Deck lists in the comments section. :