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