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