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