Here is the full list of all 33 Blade & Bones achievements.
Break a sword
Enter the Akunaa Desert
Use the clock for the first time
Take your first combat style
Lose your first purity
Deflect an enemy attack
Take your first common sword
Learn about the ancient years
Communicate with someone
Watch an ancient glyph
Take your first Relic
Acquire a purity you lost
Take your first rare sword
Acquire a Kuro
Acquire a life fragment
Enter the Forgotten Swamp
Enter the White Valley
Enter the Bamboo Woods
Enter the Rift
Climb The First Tree
Collect all Relics
Collect 5 rare swords
Break 20 swords
Collect all life Fragments
Collect a Legendary Sword
Activate all Kuros at least once
Have only one purity left
Set Sail?
Collect all the Legendary Swords
Defeat a boss with only one purity left
Set the future of the Orins
Complete a new game plus
Reunite two friends