Here is the full list of all 41 Dark Souls trophies - there are 18 bronze, 20 silver, 2 gold and 1 platinum.
Reach "The Dark Lord" ending.
Acquire best wpn through lightning reinfrc.
Acquire best wpn through crystal reinfrc.
Acquire best wpn through standard reinfrc.
Acquire best wpn through chaos reinfrc.
Acquire best wpn through magic reinfrc.
Acquire best wpn through fire reinfrc.
Defeat Dark Sun Gwyndolin, the Darkmoon God.
Acquire all pyromancies.
Defeat the Soul Lord Bed of Chaos.
Acquire best wpn through raw reinfrc.
Acquire all sorceries.
Acquire best wpn through divine reinfrc.
Defeat the Soul Lord Gravelord Nito.
Discover Blade of the Darkmoon covenant.
Defeat Seath the Scaleless, inheritors of souls.
Discover Darkwraith covenant.
Defeat the Four Kings, inheritors of souls.
Discover Gravelord Servant covenant.
Discover Forest Hunter covenant.
Acquire the Art of Abysswalking.
Discover Warrior of Sunlight covenant.
Discover Path of the Dragon covenant.
Acquire the Rite of Kindling.
Discover Princess's Guard covenant.
Acquire the Lordvessel.
Defeat Crossbreed Priscilla, the Lifehunter.
Arrive in Anor Londo.
Ring Bell of Awakening in Quelaag's domain.
Discover Chaos Servant covenant.
Discover Way of White covenant.
Ring Bell of Awakening at Undead Church.
Arrive in Lordran.
Acquire Estus Flask.
Light bonfire flame.
All trophies obtained. Congratulations!
Reach "To Link the Fire" ending.
Acquire all rare weapons.
Acquire all miracles.
Acquire best wpn through enchanted reinfrc.
Acquire best wpn through occult reinfrc.