Website and data research by 101Leafy.
Untainted Wind
汚れ無き風
Force
Heavy Force attack to all foes. Chance of inflicting Charm. Lowers all stats by 2 ranks for 3 turns.
MP 240Target all foesPower 150Hits 1Accuracy 100%Based on MagicAilment rate 50%Turns 3
Inflicts 
Charm
Stat changes Attack -2Defense -2Accuracy/Evasion -2
Battle message All stats greatly down!
Unique to Mastema
No demon learns it and no Essence carries it.
Bosses that use it
Mastema Lv 84