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