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