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