Here is the full list of all 43 Darksiders (EEU/JP) achievements.
Forge the Armageddon Blade
Unlocked everything
Max out all weapons and unlock all combat moves
Collect the Abyssal Armor Set
Ride for 100 miles
Collect the Mask of Shadows
Defeat Straga
Collect the Voidwalker
Kill 150 Demons from horseback
Defeat Silitha
Shed 3000 gallons of demon blood
Defeat The Stygian
Kill 150 enemies with items from the environment
Collect the Tremor Gauntlet
Defeating more Angels than Ulthane
Collect the maximum amount of wrath cores
Collect the maximum amount of lifestones
Collect all the Wrath Powers
Collect all 27 artifacts
Kill 160 enemies while on the angelic beast
Kill 10 enemies with one Blade Geyser wrath attack
Take out a helicopter with a car during the apocalypse
Defeat the game on APOCALYPTIC
Complete the game on EASY
Defeat The Destroyer
Defeat the game on NORMAL
Search 150 chests
Collect the Abyssal Chain
Obtain Ruin
Gain the Chronomancer Ability
Collect Mercy
Defeat The Griever
Meet Ulthane
Kill 666 Demons
Collect the Chaos Form Ability
Defeat Tiamat
Collect the Crossblade
Kill 5 duskbats without touching the ground
Gain the Shadowflight Ability
Free Samael from his prison
Collect The Scythe
Collect the Earthcaller
Meet Vulgrim