Clear a stage for the first time
Clear Main story Chapter 0
Pass through the valley
Achieve "Perfect Purified"
Clear Main story Chapter I
Acquire 165 units of Notalium
Achieve "Purified" for 100 times
Complete 20 challenges
Complete 5 challenges
Complete 60 challenges
Clear Main story Chapter II
Clear Main story Chapter III
Clear Main story Chapter IV
Clear Main story Ch. V
Main Story Chapter VI
Clear Main Story Chapter 7