Here is the full list of all 29 Odallus: The Dark Call achievements.
Completed the game in less than 2 hours.
Beat the entire game only using Hunting Clothes.
Opened all level paths.
Spend 6.000 total orbs on the merchant.
Obtained 10.000 orbs (total) in a single game.
Completed 100% of the game in normal mode.
Completed the game.
Play a game session for 2 hours.
Reach the final level blocked path.
Obtained all shards.
Beat the “Underground Temple” level.
Found all Heart Pieces.
Beat the “Frozen Mines” level.
Found all Weapon Bags.
Found the Dark Armor.
Beat the “Aqueducts Area 2” level.
Found the Silver Claymore
Found the Combat Armor.
Obtained all relics.
Beat the “Devil’s Peak” level.
Found the Steel Claymore.
Beat the “Aqueducts” level.
Beat the “Dark Forest” level.
Beat the “Dark Forest Area 2” level.
Beat the “Town” level.
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Beat the entire game only using Haggis' Sword.
Completed the game in "Veteran Mode".
Completed 100% of the game in "Veteran Mode".