Find the pumpkin.

Find the witch hat.

Liberate 30 slaves in 180 seconds while riding a caragor.

Perform an Execution on a flaming Berserker.

Maximize the power of the Ring by completing all of the One Ring missions.

Acquire a level 25 Rune.

Shadow Brand 20 Uruks.

Wraith Flash Dominate 50 Uruks.

Complete all Urfael Legend Missions.

Complete all Survivalist Challenges.

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

Kill The Tower.