The Pit of the Damned Title update for Aeterna Noctis has 23 achievements.
Find and read every lore point in Pit of the Damned
Get all power gems located in Pit of the Damned (Noctis)
Obtain all available skill points located in Pit of the Damned
Complete the bestiary collection including all creatures from Pit of the Damned
Finish all Pit of the Damned quests
Play all the music sheets on the piano
Complete all simulations on bronze level
Complete all simulations on platinum level
Complete Simulation I on platinum level
Complete Simulation II on platinum level
Complete Simulation III on platinum level
Complete Simulation IV on platinum level
Complete Simulation V on platinum level
Complete Simulation VI on platinum level
Complete Simulation VII on platinum level
Complete Simulation VIII on platinum level
Complete Simulation IX on platinum level
Complete Simulation X on platinum level
Complete Simulation XI on platinum level
Complete Simulation XII on platinum level
Complete Simulation XIII on platinum level