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 best weapon through crystal reinforcement.
Acquire all rare weapons.
Acquire best weapon through enchanted reinforcement.
Acquire best weapon through standard reinforcement.
Acquire all miracles.
Acquire all pyromancies.
Reach "The Dark Lord" ending.
Acquire best weapon through divine reinforcement.
Acquire best weapon through chaos reinforcement.
Acquire best weapon through fire reinforcement.
Discover Path of the Dragon covenant.
Acquire best weapon through magic reinforcement.
Acquire best weapon through occult reinforcement.
Discover Gravelord Servant covenant.
Discover Darkwraith covenant.
Acquire best weapon through lightning reinforcement.
Defeat Crossbreed Priscilla, the Lifehunter
Discover Blade of the Darkmoon covenant.
Acquire best weapon through raw reinforcement.
Discover Warrior of Sunlight covenant.
Reach "To Link the Fire" ending.
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.
Discover Princess's Guard covenant.
Defeat Dark Sun Gwyndolin, the Darkmoon God.
Acquire the Rite of Kindling.
Acquire the Lordvessel.
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.
Arrive in Lordran.
Acquire Estus Flask.
Light bonfire flame.