Complete the following achievements to unlock Microsoft Gamerscore points.

Achievement	How to unlock
Big Score (15 points)	Gain 900 Tel Var Stones from a single kill.
Horror of Horrors (30 points)	Kill all the Patrolling Horrors in the Imperial City.
Imperial Arena Champion (15 points)	Complete the Imperial City Arena by slaying the Ringmaster and her monstrous servants.
Imperial Lightbringer (100 points)	Complete the Barathrum Centrata event deep beneath the Imperial City.
Protector of the Faith (10 points)	Complete the Imperial City Temple event by defeating the Daedric Titan, Uzuruz.
The Sublime Protector (30 points)	Bring an end to Molag Bal's secret plot in the Imperial City.