Here is the full list of all 37 GRAVEN achievements.
Illuminate the Lighthouse
Upgrade a weapon.
Kill 10 enemies with penetrating projectiles.
Enter Cruxfirth
Destroy the flesh tree
Depart to seek Grimwine's knowledge.
Push the Rebirthed out of the village.
Pass through the Cursed Barrier to enter the castle.
Pursue the strange person into the horizon.
Receive absolution from the bishop.
Defeat all forms of the Created.
Use a fast travel stone to return to a previous region.
Prevent falling damage by crouching on impact.
Kick an explosive container into an enemy.
Kill an enemy by hitting them with a decoration.
Kill an enemy with falling damage.
Kill a chilled enemy with a critical hit.
Kill an enemy stunned by shocked water.
Kill a skeleton sapper by igniting their pack.
Learn about the Undecaying Cult.
Uncover the origins of the Shivering Dead.
Discover the history of the Orthogonal Order.
Complete the story on the highest difficulty.
Find every Orthogonal shrine.
Quaff every potion.
Find every weapon.
Find every ring.
Find every staff stone.
Fully upgrade every spell.
Kill Gravick.
Kill an enemy with a peat-stuck Skitterfly.
Survive a song against a full choir.
Destroy 10 projectiles using the Crystal Candelabra.
Kill 10 enemies with the fully upgraded staff.
Kill 100 Dihedral with spells.
Kill a Dihedral Chanter with the Orthogonal Hymnal.
Recover 200 health from Cleric healing potion spills.