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