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