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