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