Here is the full list of all 10 Nephise: Ascension achievements. It takes around 1-2 hours to unlock all of the achievements on Windows.
Collect your first statue
Place the statue on the pedestal to open the gate
Ride the elevator upward three times
Ride on the back of a gigantic lion
Cast a spell to dispel the darkness within first 400 seconds of the cave level
Unlock the vision of skeletons
Solve the triangle puzzle and open a door
Solve the statue puzzle and open the final gate
Pound the undead champion into dust within first two minutes of the final level
Even the odds with your sister, and return home