Here is the full list of all 41 DARK SOULS: REMASTERED achievements. It takes around 60-80 hours to unlock all of the achievements on Windows.
All achievements completed. Congratulations!
Discover Darkwraith covenant.
Reach "To Link the Fire" ending.
Acquire best weapon through enchanted reinforcement.
Acquire best weapon through magic reinforcement.
Acquire best weapon through fire reinforcement.
Acquire best weapon through lightning reinforcement.
Discover Blade of the Darkmoon covenant.
Discover Way of White covenant.
Acquire all miracles.
Acquire all pyromancies.
Acquire all sorceries.
Acquire all rare weapons.
Acquire best weapon through divine reinforcement.
Acquire best weapon through raw reinforcement.
Acquire best weapon through occult reinforcement.
Discover Forest Hunter covenant.
Reach "The Dark Lord" ending.
Defeat the Soul Lord Gravelord Nito.
Acquire best weapon through crystal reinforcement.
Acquire best weapon through standard reinforcement.
Acquire best weapon through chaos reinforcement.
Defeat Seath the Scaleless, inheritors of souls.
Defeat the Soul Lord Bed of Chaos.
Defeat the Four Kings, inheritors of souls.
Defeat Dark Sun Gwyndolin, the Darkmoon God.
Defeat Crossbreed Priscilla, the Lifehunter
Acquire the Rite of Kindling.
Discover Gravelord Servant covenant.
Discover Princess's Guard covenant.
Acquire the Lordvessel.
Arrive in Anor Londo.
Discover Chaos Servant covenant.
Acquire the Art of Abysswalking.
Ring Bell of Awakening in Quelaag's domain.
Discover Warrior of Sunlight covenant.
Discover Path of the Dragon covenant.
Ring Bell of Awakening at Undead Church.
Arrive in Lordran.
Acquire Estus Flask.
Light bonfire flame.