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