Complete a Vendetta Mission.

Kill all 5 Warchiefs before any uruk take their place.

Poison a Captain at his own Feast.

Complete all Acharn Legend Missions.

Complete all Urfael Legend Missions.

Kill The Black Hand.

Save Lithariel's life.

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

Brand all 5 Warchiefs.

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

Unlock 4 Dagger Rune slots.

Collect 50% of the Ithildin.

Use the Detonate ability to burn 50 uruks.