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