After an uruk kills you to become a Captain, help him become a Warchief, then kill him.

Issue a Death Threat, and then successfully kill the target.

Complete a Sword Mission and begin growing the legend of Urfael.

Perform an Execution on a flaming Berserker.

Kill The Black Hand.

Save Lithariel's life.

Kill the Great White Graug.

Lift Lady Marwen's curse.

Make 20 uruks flee by dropping Morgai Fly nests.

Use the Detonate ability to burn 50 uruks.

Unlock 4 Dagger Rune slots.

Free 5 caragors from cages.

Destroy the Monument Gate and topple the statue of Sauron.