Defeat the Witch-king and reclaim Minas Morgul.

Unlock all player skills.

Strike a Follower until he's had enough.

Start a Conquest with all Warchiefs as spies.

Attract every kind of beast using bait.

Shame an Assassin until he becomes deranged.

Make a Captain kill his bloodbrother.

Encounter the same Orc 3 times in nemesis missions without killing him.

Help a grunt become an Overlord.

Turn all of a Warchief's bodyguards (minimum 2) into spies, then confront him.

Recruit a Follower of every Advanced Class.

Defeat the Balrog.

Complete all Gondor quests.