Join the Dark Brotherhood

Complete "Darkness Returns"

Change your face

Completed "The Power of the Atom"

Got a kill from the passenger position on a motorcycle

Made 50 Speech challenges.

Rank 45 achieved!

Destroyed an enemy vehicle using the xbow

Unlocked all unique co-op weapons

Kill Hoyt.

Kill 4 enemies simultaneously with one explosion (Single Player only).

Kill Vaas.