The Crucible Mode DLC Add-on for Grim Dawn has 12 achievements.
Complete the Crucible.
Activate a Celestial Blessing.
Earn a Crucible score of at least 900000.
Construct a Defensive Structure.
Complete the Crucible on Challenger Difficulty.
Complete the Crucible on Gladiator Difficulty.
Earn a Crucible score of at least 5000000.
Earn a Crucible score of at least 10000000.
Complete the Crucible on Gladiator Difficulty with the 6th Spawn Point active.
Construct 50 Defenses.
Activate 25 Celestial Blessings.
Activate all 4 Celestial Blessings in a single Crucible.