Full list of all 41 Dark Souls achievements worth 1,000 gamerscore. It takes around 80-100 hours to unlock all of the achievements on Xbox 360.
Acquire best weapon through raw reinforcement.
Acquire best weapon through standard reinforcement.
Acquire all sorceries.
Acquire best weapon through magic reinforcement.
Acquire all pyromancies.
Discover Blade of the Darkmoon covenant.
Discover Path of the Dragon covenant.
Discover Warrior of Sunlight covenant.
Discover Gravelord Servant covenant.
Reach "To Link the Fire" ending.
Defeat Dark Sun Gwyndolin, the Darkmoon God.
Defeat the Soul Lord Bed of Chaos.
Defeat Crossbreed Priscilla, the Lifehunter.
Discover Chaos Servant covenant.
Defeat Seath the Scaleless, inheritors of souls.
Defeat the Soul Lord Gravelord Nito.
Defeat the Four Kings, inheritors of souls.
Acquire the Art of Abysswalking.
Discover Princess's Guard covenant.
Acquire the Lordvessel.
Discover Forest Hunter covenant.
Arrive in Anor Londo.
Ring Bell of Awakening in Quelaag's domain.
Acquire the Rite of Kindling.
Ring Bell of Awakening at Undead Church.
Discover Way of White covenant.
Arrive in Lordran.
Acquire Estus Flask.
Light bonfire flame.
All achievements completed. Congratulations!
Reach "The Dark Lord" ending.
Acquire all rare weapons.
Acquire all miracles.
Discover Darkwraith covenant.
Acquire best weapon through crystal reinforcement.
Acquire best weapon through lightning reinforcement.
Acquire best weapon through enchanted reinforcement.
Acquire best weapon through divine reinforcement.
Acquire best weapon through occult reinforcement.
Acquire best weapon through fire reinforcement.
Acquire best weapon through chaos reinforcement.