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