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