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