Unlock Xbox Live Gamerscore points, by completing the following Achievements.

Achievement	How to unlock
Covenant: Blade of the Darkmoon ( 25 points )	Discover Blade of the Darkmoon covenant.
Covenant: Darkwraith ( 25 points )	Discover Darkwraith covenant.
Covenant: Forest Hunter ( 25 points )	Discover Forest Hunter covenant.
Covenant: Path of the Dragon ( 25 points )	Discover Path of the Dragon covenant.
Covenant: Princess's Guard ( 25 points )	Discover Princess's Guard covenant.
Covenant: Warrior of Sunlight ( 25 points )	Discover Warrior of Sunlight covenant.
Dark Lord ( 90 points )	Reach "The Dark Lord" ending.
Defeat Bed of Chaos ( 25 points )	Defeat the Soul Lord Bed of Chaos.
Defeat Crossbreed Priscilla ( 25 points )	Defeat Crossbreed Priscilla, the Lifehunter.
Defeat Gravelord Nito ( 25 points )	Defeat the Soul Lord Gravelord Nito.
Defeat Seath the Scaleless ( 25 points )	Defeat Seath the Scaleless, inheritors of souls.
Defeat the Dark Sun Gwyndolin ( 25 points )	Defeat Dark Sun Gwyndolin, the Darkmoon God.
Defeat the Four Kings ( 25 points )	Defeat the Four Kings, inheritors of souls.
Occult Weapon ( 15 points )	Acquire best weapon through occult reinforcement.
To Link the Fire ( 90 points )	Reach "To Link the Fire" ending.