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